Research

Since 2004, there have been less than 3 permanent faculties who were Ph. D. guides too; the faculties of the department are contributing to good research. Some full time faculties are also offered Ph. D. guide ship within last few years. Main research areas offered by the departments are Sampling Theory, Operations Research, Statistical Quality Control, Applied Statistics and Econometrics. The faculty members and their research scholars have published many research papers in reputed journals. Students as well as faculties have also won best paper awards as well as best presentation awards at different national and international seminars and conferences. The department also organizes seminars and conferences on emerging trend and new developments in the research subject areas.

Ph. D Awarded:29

M. Phil Awarded: 30

Research paper: 288

Seminar/conference organized jointly with UG colleges affiliated with the university:

  1. Department level workshop/Training Program: 03
  2. State level: 02
  3. National level: 04
  4. International Conference = 01

Webinar organized: 01

National Level Online Quiz organized:02

Achievements of Faculties in paper presentation : 04

Publication Projects & consultency Talks Research Scholar

Details since 2015

  1. S. R. Sheikh and R. D. Patel (Sept. 2015): Inventory Model with Different Deterioration Rates under Linear Demand and Time Varying Holding Cost; International Journal of Mathematics and Statistics Invention (IJMSI) (ISSN No. 2321-4759), Vol. 3, No. 6, pp. 36-42.
  2. S. R. Sheikh and R. D. Patel (Sept. 2015): Deteriorating Items Inventory Model with Different Deterioration Rates and Shortages; International J. Latest Technology in Engineering, Management and Applied Sciences (IJLTEMAS) (ISSN No. 2278-2540), Vol. IV, No. XI, pp. 46-51. (Impact Factor – 1.356)
  3. S. R. Sheikh and R. D. Patel (Nov. 2015)Inventory Model with Different Deterioration Rates with Stock and Price Dependent Demand under Time Varying Holding Cost; International Referred Journal of Engineering and Science (IRJES) (ISSN No. 2319-1821), Vol. 4, No. 11, pp. 01-12.
  4. R. D. Patel and D. M. Patel (Dec. 2015): Inventory Model with Different Deterioration Rates under Exponential Demand, Inflation and Permissible Delay in Payments; (jointly with) International J. Latest Technology in Engineering, Management and Applied Sciences (IJLTEMAS) (ISSN No. 2278-2540), Vol. IV, No. XII, pp. 01-11. (Impact Factor – 1.356)
  5. S. R. Sheikh and R. D. Patel (Dec. 2015): Inventory Model with Different Deterioration Rates with Stock and Price Dependent Demand under Time Varying Holding Cost and Shortages; International Journal of Mathematics and Statistics Invention (IJMSI) (ISSN No. 2321-4759), Vol. 3, No. 8, pp. 01-14.
  6. S. R. Sheikh and R. D. Patel (Feb. 2016): Production Inventory Model with Different Deterioration Rates under Linear Demand; IOSR Journal of Engineering, (IOSR JEN) (ISSN No. 2278-8719), Vol.6, No. 2, pp. 71-75.
  7. S. R. Sheikh and R. D. Patel (March 2016): Production Inventory Model with Different Deterioration Rates under Shortages and Linear Demand; International Referred Journal of Engineering and Science (IRJES) (ISSN No. 2319-1821), Vol.5, No. 3, pp. 1-7.
  8. R. D. Patel and D.M. Patel (March 2016): Inventory Model with Different Deterioration Rates under Exponential Demand, Shortages, Inflation and Permissible Delay in Payments; International Journal of Mathematics and Statistics Invention (IJMSI) (ISSN No. 2321-4759), Vol. 4, No. 3, pp. 27-40.
  9. Tarulata Patel and R. D. Patel (April 2016): Duality for Semi- Infinite Multiobjective Fractional Programming Problems Involving Generalized (Hp, R)-Invexity; International Refereed Journal of Engineering and Science (IRJES) (ISSN (Online) 2319-183X, (Print) 2319-1821) Vol. 5, Issue 4, pp. 07-15
  10. Tarulata Patel and R. D. Patel (April 2016): Higher-Order (F, α, β, ρ, d) –Convexity for Multiobjective Programming Problem; International Journal of Mathematics and Statistics Invention (IJMSI) (E-ISSN: 2321 – 4767 P-ISSN: 2321 – 4759) Vol. 4, Issue 4, pp.13-19
  11. R. D. Patel and D.M. Patel (June 2017): Inventory Model with Different Deterioration Rates with Shortages, Time and Price Dependent Demand under Inflation and Permissible Delay in Payments; Global Journal of Pure and Applied Mathematics (GJPAM) (ISSN No. 0973-1768), Vol. 13, No. 6, pp. 1499-1514.
  12. S. R. Sheikh and R. D. Patel (June 2017): Two Warehouse Inventory Model with Different Deterioration rates under Linear Demand and Time Varying Holding Cost; Global Journal of Pure and Applied Mathematics (GJPAM) (ISSN No. 0973-1768), Vol. 12, No. 6, June 2017, pp. 1515-1525.
  13. B. T. Naik and R. D. Patel (June 2017): Inventory Model with Different Deterioration Rates for Imperfect Quality Items and Linear Demand; Global Journal of Pure and Applied Mathematics (GJPAM) (ISSN No. 0973-1768), Vol. 13, No. 6, June 2017, pp. 1537-1552.
  14. Raman Patel (June 2017): Different Deterioration Rates Production Inventory Model with Time and Price Dependent Demand under Inflation and Permissible Delay in Payments; International Journal of Computational and Applied Mathematics (IJCAM) (ISSN No. 1819-4966), Vol. 12, No. 2, pp. 425-439.
  15. B. T. Naik and Raman Patel (June 2017): Deteriorating Items Inventory Model with Different Deterioration Rates for Imperfect Quality Items and Shortages; International Journal of Computational and Applied Mathematics (IJCAM) (ISSN No. 1819-4966), Vol. 12, No. 2, June 2017, pp. 273-284.
  16. Raman Patel (July 2017): Inventory model for imperfect quality items with different deterioration rates under inflation and permissible delay in payments; International Journal of Latest Technology in Engineering, Management and Applied Sciences (IJLTEMAS) (ISSN No. 2278-2540 ), Vol. VI, Issue VII, pp. 173-179.
  17. S. R. Sheikh and Raman Patel (Aug. 2017): Two Warehouse Inventory Model with Different Deterioration rates under Time Dependent Demand and Shortages; Global Journal of Pure and Applied Mathematics (GJPAM) (ISSN No. 0973-1768), Vol. 13, No. 8, pp. 3951-3960.
  18. B. T. Naik and Raman Patel (Sept. 2017): Inventory Model with Different Deterioration Rates for Imperfect Quality Items under Price and Time Dependent Demand; Global Journal of Pure and Applied Mathematics (GJPAM) (ISSN No. 0973-1768), Vol. 13, No. 9, pp. 6907-6918.
  19. Raman Patel (Sept. 2017): Inventory Model for Imperfect Quality Items under Different Deterioration Rates and Shortages considering Price and Time Dependent Demand with Inflation and Permissible Delay in Payments; International Journal of Advanced Research and Review (IJCARR) (ISSN No.2455-7277), Vol. 2, No. 9, pp. 82-100.
  20. S. R. Sheikh and Raman Patel (Sept. 2017): Deteriorating Items Production Inventory Model with Different Deterioration rates under Stock and Price Dependent Demand; International Journal of Statistics and Systems (IJSS) (ISSN No. 0973-2675), Vol. 12, No. 3, September 2017, pp. 607-618.
  21. S. R. Sheikh and Raman Patel (Sept. 2017): Production Inventory Model for Deteriorating Items with Different Deterioration rates under Stock and Price Dependent Demand and Shortages; International Journal of Statistics and Systems (IJSS) (ISSN No. 0973-2675), Vol. 12, No. 3, pp. 631-643.
  22. S. R. Sheikh and R. D. Patel (2018): Two warehouse production inventory model with different deterioration rates under linear demand and time varying holding cost; International Journal of Theoretical and Applied Sciences (ISSN No. 2249-3247 ) , Vol. 10, No. 1, 2018, pp. 71-78.
  23. R. D. Patel (2018): Different deterioration rates two warehouse inventory model with time and price dependent demand under inflation and permissible delay in payments; International Journal of Theoretical and Applied Sciences (ISSN No. 2249-3247 ), Vol. 10, No. 1, pp. 53-65.
  24. B. T. Naik and Raman Patel (2018): Inventory model for imperfect quality and repairable items with varying deterioration; International Journal of Theoretical and Applied Sciences (ISSN No. 2249-3247 ), Vol. 10, Issue 1, 2018, pp. 185-190.
  25. B. T. Naik and Raman Patel (Feb. 2018):Imperfect quality items inventory model under different deterioration rates and shortages with price and time dependent demand International Journal of Latest Trends in Engineering and Technology (IJLTET) (e-ISSN : 2278-621X , p-ISSN : 2319-3778 ), Vol. 9, Issue 4, February 2018, pp. 6-13.
  26. R. D. Patel (March 2018): Different deterioration rates production inventory model with two warehouses under shortages, inflation and permissible delay in payments; International Journal of Latest Trends in Engineering and Technology (ISSN No.2249-3237 ), Vol. 10, No. 1, pp. 190-201.
  27. B. T. Naik and Raman Patel (March 2018): Two Storage Facilities Inventory Model for Defective Items with Different Rates of Deterioration and Linear Demand; International Journal of Current Trends in Engineering and Technology (IJCTET) (ISSN No. 2395-3152), Vol. 4, Issue 2, pp. 92-96.
  28. B. T. Naik and Patel Raman (April 2018): Different deterioration rates two warehouse defective items inventory model with time and price dependent demand International Journal of Engineering, Sciences and Mathematics (IJESM) (ISSN No. 2320-0294 ), Vol. 7, Issue 4, pp. 390-399.
  29. Jayshree Pandey and R. D. Patel (Feb. 2019): Deteriorating items supply chain inventory model for single vendor single buyer under exponential demand; Journal of Emerging Technologies and Innovative Research (ISSN No. 2349-5162), Vol. 6(2). Pp. 1-7, Feb – 2019.
  30. Jayshree Pandey and R. D. Patel (April 2019): Supply chain inventory model for single vendor single buyer when shortages are allowed to buyer; Journal of Emerging Technologies and Innovative Research (ISSN No. 2349-5162), Vol. 6(4). Pp. 309-315.
  31. Jayshree Pandey and R. D. Patel (May 2019): Deteriorating items supply chain inventory model for multiple buyers and single vendor under exponential demand; Journal of Emerging Technologies and Innovative Research (ISSN No. 2349-5162), Vol. 6(5). Pp. 686-692.
  32. R. D. Patel and Jiten Patel (June 2019): Different deterioration rates deteriorating items for one vendor one buyer supply chain inventory model under linear demand; International Journal of Engineering, Applied and Management Sciences Paradigms (IJEAMS) (ISSN No. 2320-6608), Vol. 54(3). pp. 450-456, June – 2019. (Impact Factor 2.50)
  33. R. D. Patel and Jiten Patel (August 2019): Deteriorating items supply chain inventory model for single vendor single buyer under time and price dependent demand; International Journal of Engineering Research and Technology (IJERT) (ISSN No. 0974-3154), Vol. 12(8). pp. 1307-1312.
  34. R. D. Patel and Jiten Patel (Oct. 2019): Different deterioration rates two storage facilities deteriorating items inventory model under time and price dependent demand for single buyer single vendor (jointly with Jiten Patel); International Journal of Scientific and Technology Research (IJSTR) (ISSN No. 2277-8616), Vol. 8(10). pp. 1824-1829.
  35. H. M. Shah and A. J. Rajyaguru (March,2015):Statistical Comparison of Share of Occupations In Bank Group Wise And Population Group Wise Credit Utilisation Between Gujarat With Other Selected States, , Indian Journal of Statistics And Application (Issn- 2278-1102), Vol.- 3, Issue-1&2, Pp.- 64 To 76
  36. M. C. Shingala and A. J. Rajyaguru(Nov., 2015): Comparison of Post Hoc Tests For Unequal Variance, International Journal of New Technologies In Science And Engineering, Vol.-2, Issue-5, Pp.-22-33
  37. H. M. Shah and A. J. Rajyaguru(Dec., 2015): Statistical Comparison of Some Banking Parameters Between Gujarat And Other Selected States, Indian Journal of Statistics And Application Issn- 2278-1102 (Issn- 2278-1102), Vol- 4, Issue:1, Pp.-18 To 30
  38. Shah H. M., Rajyaguru A. J and Kazi G. (Dec., 2015), Vitamin D: Reality or Hype?: A Case Study of Combined Data of Surat, Ahmedabad And Vadodaracity. Int J. Recent Sci Res. 9(1), Pp. 23420-23426. Doi: Http://Dx.Doi.Org/10.24327/Ijrsr.2018.0901.1465
  39. Rajyaguru A. J, Shah H. M. and Kazi G. (Dec.,2015): Vitamin B12 Deficiency: Case Study of Vadodara, Ahmedabad And Surat City, International Journal Of Research And Scientific Innovation, Volume 3 Issue 1,Issn : 2321 – 2705, (Impact Factor 2.08)
  40. S. D. Patel, and A. J. Rajyaguru(Dec.,2015): "An Econometric Analysis of Cereal Consumption In Rural India, International Journal of Research And Scientific Innovation, Vol.-3, Issue-1, Pp.-
  41. D. R. Radadiya and A. J. Rajyaguru (Dec., 2015): A Statistical Study of Increasing Crime Rate Against Women In India, Gujarat And Major Cities Of Gujarat. International Journal of Research And Scientific Innovation, Vol.-3, Issue-1, Pp.312-317.
  42. S. Dange, K. Manoj and A. J. Rajyaguru (Jan.-2016): Statistical Analysis of Water Quality Data For The Purna River Estuary of Navsari, Gujarat,, International Journal of Multidisciplinary Research Review, Vol.1, Issue – 1, Pp.75-81
  43. M. C. Shingala, and A. J. Rajyaguru. (2017). Nonparametric Post Hoc Test With Adjusted P Value. International Education and Research Journal (IERJ), 3(7).
  44. S. D. Patel, A. J. Rajyaguru and H. M. Shah (Nov., 2020): Patterns of Consumer Service Consumption – A Comparative Study of Rural Areas of Major States Including Gujarat And India, Journal of Social Science – Issn: 2279-0241, Published By Knowledge Consortium of Gujarat, Issue 45, Pp.-1-6
  45. Shital S. Patel (March 2015): Inventory model for deteriorating items with stock dependent demand under partial backlogging and variable selling price, International Journal of Scientific Research (ISSN: 2277-8179), Vol.4 Issue 3, pp. 375-379 (Impact factor 1.8651)
  46. Raman Patel, Reena U. Parekh and Shital S. Patel (April 2015): Deteriorating Items Production Inventory Models with Two Warehouses under Shortages, Inflation and Permissible Delay in Payments, International Journal of Latest Technology in Engineering, Management and Applied Sciences Research and Scientific Innovation Society, (ISSN: 2278-2540), Vol. IV, No. IV, pp. 55-66.
  47. Shital S. Patel and R. D. Patel (Nov. 2015): Optimal credit period and replenishment time for credit and stock dependent demand inventory model, Proceedings of International Conference on Industrial Engineering, Department of Mechanical Engineering, S.V. National Institute of Technology, Surat, India, (ISBN:978-93-84935-56-6) pp. 748-752
  48. R. D. Patel and Shital S. Patel (Nov. 2015): Inventory model with different deteriorating rates under exponential demand, inflation and time varying holding cost, Proceedings of International Conference on Industrial Engineering, Department of Mechanical Engineering, S.V. National Institute of Technology, Surat, India, (ISBN:978-93-84935-56-6) pp. 1418-1423
  49. Shital S. Patel (Aug. 2017): Inventory model with different deterioration rates for imperfect quality items and inflation considering price and time dependent demand under permissible delay in payments, International Journal of Latest Technology in Engineering, Management and Applied Sciences Letter (ISSN: 2278-2540 ), Vol. 6, No. 7, pp. 1-9
  50. Shital S. Patel (2017): Inventory Model with Different Deterioration Rates with Time and Price Dependent Demand under Inflation and Permissible Delay in Payments, International Journal of Computational and Applied Mathematics Letter( ISSN: 1819-4966), Vol. 12, No. 2, pp. 207-223
  51. Shital S. Patel (2017): Production Inventory Model for Deteriorating Items With Different Deterioration Rates Under Stock and Price Dependent Demand And Shortages Under Inflation and Permissible Delay in Payments, Global Journal of Pure and Applied Mathematics (ISSN: 0973-1768) Vol 13 No. 7, pp 3687-3701
  52. Shital S. Patel (March 2018): Different Deterioration Rates Two Warehouse Inventory Model with Time and Price Dependent Demand under Inflation and Permissible Delay in Payments and Shortages, International Journal of Engineering Research and Development (e-ISSN 2278-067X & p-ISSN 2278-800X), Vol. 14 Issue 3, Ver. II, pp. 1-11
  53. Shital S. Patel (April 2018 ): Different Deterioration Rates Two Warehouse Production Inventory Model with Time and Price Dependent Demand under Inflation and Permissible Delay in Payments, International Journal of Engineering Science Invention, (e-ISSN: 2319-6726 & p-ISSN:2319-6726) Vol. 7, Issue 4, pp. 53-62
  54. Shital S. Patel (Sept. 2019 ): An EPQ Model For Variable Production Rate With Exponential Demand And Unsteady Deterioration, International Journal of Scientific & Technology Research (ISSN 2277-8616), Vol. 8, Issue 09, pp. 1206-1209 (Impact Factor: 3.023)
  55. Shital S. Patel (Jan. 2021): Imperfect Quality And Repairable Items Inventory Model Under Unsteady Deterioration And Three Tiered Pricing, International Journal of Science Technology and Management (e-ISSN:2394-1537 & p-ISSN:2394-1529), Vol. 10, Issue 01, pp. 01-12 (Impact Factor- 4.6)
  56. Shital S. Patel (Jan. 2021): Comparison Of Inventory Models Under Non-Instantaneous Deterioration Rate With Probabilistic Demand And Shortages, PARIPEX-INDIAN JOURNAL OF RESEARCH( ISSN(P): 2250-1991), Vol. 10, Issue 01, pp. 21-23 (Impact Factor 6.941)
  57. Shital S. Patel (May 2021): Deteriorating Items Inventory Model for Defective Items under Different Deterioration with Three Tired Prices and Time Dependent Demand, International Journal of Innovative Research in Science, Engineering and Technology ( E-ISSN 2319-8753 & P-ISSN 2320-6710 ), Vol. 10, Issue. 5, (Impact factor 7.512)
  58. Shah Hemali M, Rajyaguru Arti J., Kazi Girish J. (2022): Vitamin D status: Acase study of Surat city, International Journal of Health Science, ISSN 2550-6978, E-ISSN 2550-696X

Presentations

  1. R. D. Patel: Two Warehouses Deteriorating Items Production Inventory Models under Shortages, inflation and Permissible Delay in Payments; Presented at National Conference on ‘Recent Trends in Mathematical and Computational Sciences (NCRTMCS-2015) during 3-4th, January, 2015 at Department of Statistics, Bhagalpur University, Bhagalpur, Bihar.
  2. R. D. Patel:Deteriorating Items Inventory Model with Stock and Price Dependent Demand Under Time Varying Holding Cost; Presented at International Conference on ‘Advances in Management and Decision Sciences during 11-12th, July, 2015 at School of Management, Gautam Buddha University, Greater Noida, Uttar Pradesh.
  3. R. D. Patel:Inventory Model with Different Deteriorating Rates under Exponential Demand, Inflation and Permissible Delay in Payments; Presented at National Conference on ‘Recent Innovations in Applied Sciences and Humanities (NCASH-2015) during 10th, October, 2015 at Department of Applied Sciences and Humanities, Rawal Institution of Engineering and Technology, Faridabad, Haryana.
  4. R. D. Patel:Inventory Model with Different Deteriorating rates under Exponential Demand and Time Varying Holding Cost; Presented at 3rd International Conference on ‘Industrial Engineering (ICIE 2015) during 26-28th, November, 2015 at SVNIT, Surat.
  5. R. D. Patel:Production Inventory Model with Different Deterioration Rates under Inflation and Permissible Delay in Payments; Presented at International Conference on ‘Challenges and Opportunities before 21stCenturyin Indian in the Fields of Social Sciences, Science, Management and Technology’ during 6-7th, February, 2016 at Rajarshi Chhatrapati Shahu College, Kolhapur, Maharashtra.
  6. R. D. Patel:Modeling and Analysis of Inventory Models with Different Deterioration rates under Exponential Demand, Inflation and Permissible Delay in Payments: Presented at International Conference on ‘Science: Emerging Scenario and Future Challenges” (SESFC 2016) during 11-12th, June 2016 Organized by Him Science Congress Association, Himachal Pradesh at Hotel Inclover, Dharamshala
  7. R. D. Patel:Modeling and Analysis of Inventory Models under Different Deterioration rates with Stock Dependent Demand and Variable Selling Price; Presented at National Conference on ‘Emerging Trends in Global Business Management’ during 3rd December 2016, Organized by Department of Business and Industrial management, G.H. Bhakta Management Academy, Veer Narmad South Gujarat University, Surat.
  8. R. D. Patel:Inventory Model with Different Deterioration Rates with Stock Dependent Demand, Shortages, Variable Selling price, Inflation and Permissible Delay Payments; Presented at International Conference on ‘Interdisciplinary Mathematics, Statistics and Computational Techniques during 22-24th, December 2016 at Department of Mathematics & Statistics, Manipal University, Jaipur.
  9. R. D. Patel:Different Deterioration rates Production Inventory Model with Exponential Demand, Shortages, Inflation and Permissible Delay in Payments; Presented at 8th International Conference on ‘Strengthening Strategies, Shaping Policies and Empowering Personnel: Key to Organizational Competitiveness’ during 7-9th, January, 2017 at PRESTIGE Institute of Management, Gwalior.
  10. R. D. Patel:Production Inventory Model with Deterioration rates under Time and Price Dependent Demand, Inflation and Permissible Delay in Payment; Presented at National Conference on ‘Mathematical sciences for Development of Science and Technology” during 26-27th, February 2017, organized by Department of Mathematics, GLA University, Mathura.
  11. R. D. Patel:Two Level Production Inventory Model with Time and Price Dependent Demand under Inflation and Permissible Delay in Payments;(jointly with D.M. Patel) Presented at International Conference on ‘Theory and Applications of Statistics and Information Sciences TASIS-2018 in conjunction with XXXVII Annual Convention of Indian Society for Probability and Statistics held at Department of Statistics, Bharathiar University, Coimbatore, Tamilnadu, India during 5-7th,January 2018.
  12. R. D. Patel:Two Warehouse Production Inventory Model for Deteriorating Items with Time and Price Dependent Demand under permissible Delay in Payments; Presented at 2nd International Conference of VijnanaParishad of India on ‘Recent Trends of Computing in Mathematics, Statistics and Information Technology held at Department of Mathematical Sciences & Computer Application, Bundelkhand University, Jhansi, U.P., India during 9-11th, March 2018.
  13. R. D. Patel:Two Storage Facility Inventory Model for Defective and Repairable Items under Different Deterioration Rates; Presented at National Conference on ‘Intercepting Emerging Domains in Mathematical Sciences and 22nd Prof. P.D. Verma Memorial Lecture (NCIEDMS & PDVML-2018)” during 7 September, 2018, organized by Department of Mathematics, University of Rajasthan, Jaipur.
  14. R. D. Patel:Two Warehouse Inventory Model for Defective and Repairable Items under Inflation and Permissible Delay in Payments; Presented at Prof. P.C. Vaidya National Conference on ‘Mathematical Sciences” during 24-25th, December 2018, organized by Department of Mathematics, St. Xavier’s College, Ahmedabad & Gujarat GanitMandal.
  15. R. D. Patel: Two Storage Facility Inventory Model for Defective and Repairable Items with Time and Price Dependent Demand under Permissible Delay in Payments; Presented at World Business ‘n Economy Congress during 15-17th, February2019 at Sage University, Indore.
  16. R. D. Patel: Deteriorating Items Supply Chain Inventory Model for Single Vendor Single Buyer with Shortages under Time and Price Dependent Demand; Presented at National Conference on “Mathematical Modelling, Methods and Computation in Science and Engineering (MMMCSE-2019) held at Department of Mathematics, NIT Raipur during 19-20thOctober 2019.
  17. R. D. Patel: Deteriorating Item Supply Chain Inventory Model for Single Vendor Multiple Buyers under Time and Price Dependent Demand (Jointly with Jiten Patel); Presented at International Conference on ‘Recent Advances in Statistics and Data Science for Sustainable Development (RASDSSD-2019) in conjunction with XXXIX Annual Convention of Indian Society for Probability and Statistics (ISPS) held at Department of Statistics, Post Graduate Department of Statistics, Utkal University, VaniVihar, Bhubaneswar – 751004, Odisha, during 21-23th December, 2019.
  18. R. D. Patel: Deteriorating Items Inventory Model For Defective Items Under Different Deterioration With Three Tired Price Dependent Demand; Presented at Online International Conference on Computational Sciences : Modelling, Computing and Soft Computing (CSMCS – 2020)held at Department of Mathematics, NIT Calicut during 10-12thSeptember 2020.
  19. Shital S. Patel: “An inventory model for deteriorating items with time varying demand, partial backlogging under inflation & permissible delay in payment” One day state level seminar on “RECENT STATISTICAL TRENDS IN BUSINESS AND MANAGEMENT (RSTBM)” on 1st Feb-2015, organized by Dept. of Statistics, VNSGU, Surat and UCCC & SPBCBA & UACCAIT, Managed by Udhna Academy Education Trust, Udhna-Surat.
  20. Shital S. Patel: “Optimal Credit Period and Replenishment time for credit and stock Dependent Demand Inventory Model” 57th National Convention of Indian Institution of Industrial Engineering & 3rd International Conference on Industrial Engineering (ICIE 2015) during 26-28 Nov. 2015, hosted by IIE, Surat Chapter and SVNIT, Surat.
  21. Shital S. Patel: “Multi-item inventory model with different demand and deterioration rates under capacity constraint” National seminar on “ Role of Statistics in Current Scenario” on 27th March 2016,organized by Department of Statistics, Veer Narmad South Gujarat University, Surat.
  22. Shital S. Patel: “Deteriorating items Inventory Model under shortages for optimal credit period and replenishment time with credit and stock dependent demand”, International Conference on “ Science: Emerging Secenario and Future Challenges” during 11-12 June 2016,organized by HIM Science Congress Association, Dharamshala, Himachal Pradesh, India.
  23. Shital S. Patel: “Comparison of production inventory model for deteriorating items with demand dependent production rate under with and without shortages”, One week short training Programme on “Nonlinear Analysis, Computations using MATLAB, Mathematica, MAPLE, and CPLEX with Applications in Engineering & Sciences” during30 Sept. – 04 Oct. 2016,organized by department of Applied Mathematics and Humanities, SardarVallabhbhi National Institute of Technology, Surat.
  24. Shital S. Patel: “An inventory model for deteriorating items with two types of retailers under different demand”, International Conference on Interdisciplinary Mathematics, Statistics and Computational Techniques of Forum for Interdisciplinary Mathematics during 22-24 December, 2016, organized in association with Manipal University, Jaipur.
  25. Shital S. Patel: “Production Inventory model with different deterioration rates with time and price dependent demand, shortages under inflation and permissible delay in payment”, One day National Seminar on “Role of Statistics in Research” on5th March 2017,organized by J. Z. Shah Arts and H. P. Desai Commerce College, Amroli, Surat and Department of Statistics, Veer Narmad South Gujarat university, Surat.
  26. Shital S. Patel: “Inventory Modeling on Fresh Seasonal Products with time varing Deterioration Rate and stock dependent demand”, National Conference on “ Mathematical Sciences for Development of Science and Technology” during 26-27 February 2017, organized by Department of Mathematics, GLA University, Mathura.
  27. Shital S. Patel: “Multi-item deterministic inventory model with capacity constraint and shortages under different demand and deterioration via Lagrange Method”, One day National Seminar on “Advances in Statistics and its Applications” on 9thJulty 2017, jointly organized by Smt. C. D. J. Rofel Arts and Smt. I. S. R. A. Rofel Commerce College, Vapi and Department of Statistics, Veer Narmad South Gujarat university, Surat.
  28. Shital S. Patel: “Two warehouse inventory model with different deterioration rates with variable holding cost and shortages”, International Conference on Applied Mathematical Models during 04-06 January 2018, organized by Department of Mathematics, PSG College of Technology, Coimbatore.
  29. Shital S. Patel: “Inventory model under two warehouse with different deterioration rates”, International Conference on “ Theory and Applications of Statistics and Information Sciences” during 05-07 January 2018, organized by Department of Statistics, Bharathiar University, Coimbatore.
  30. Shital S. Patel: “Two Storage Facility Inventory modal for different deterioration rates under time and price dependent demand with delay in payment”, One day National Seminar on “Statistics: Recent Innovations and Future Challenges” on 29 January 2018, organized by Sir K. P. College of Commerce, Athwalines, Surat and Department of Statistics, Veer Narmad South Gujarat university, Surat.
  31. Shital S. Patel: “An EPQ model for variable production rate with Exponential Demand and Unsteady Deterioration”, 1st International Conference of Association of Inventory Academicians and Practitioners on “ Emerging Trends in Inventory, Supply Chain and Reliability Modeling” during 21-23 Dec. 2018, in association with Department of Operational Research, University of Delhi, Delhi and Department of Mathematics, Gujarat University, Ahmedabad.
  32. Shital S. Patel: “Mathematical Characteristics of Deteriorating Items Inventory Model Under Different Probabilistic Demand”, International Conference on “International Conference on Gravitation, Cosmology &Mathematical Physics ” during 04-07 April 2019, organized by Department of Mathematics , GLA University, Mathura.
  33. Shital S. Patel: “Inventory Model with Different Probabilistic Deterioration Rates under Shortages and Time Varying Demand”, ICSSR Sponsored Two Days International Conference “ Emerging Issue In Development For Future Generation” during 12-13 February 2020, Jointly Organized by J. Z. Shah Arts and H. P. Desai Commerce College, Amroli& The International Institute For Development Studies (IIDS), Australia at J. Z. Shah Arts and H. P. Desai Commerce College, Amroli, Surat.
  34. Shital S. Patel: “Statistical Quality Control of Multi-Item Inventory Model with Different Demand and Deterioration Rates Under Capacity Constraint”, Online INTERNATIONAL CONFERENCE ON RECENT TRENDS IN MATHEMATICAL SCIENCES (ICRTMS-2021) during 11-12 Dec. 2021, organized by HIMACHAL GANITA PARISHAD (HGP), Shimla.
  35. Shital S. Patel: “Study on Inventory Model on Effect of Partial Backlogging Under Unsteady Deterioration Rates with Exponential Demand”, during 18-19 Dec. 2021, Online International Conference on “Recent Advancement in Science, Engineering, Management & Humanities” in association with Advance Research Educational Society (ARES) organized by Government College Degana, Nagaur (Rajasthan).
  36. J. J. Pandey: Supply chain inventory model for single vendor single buyer when shortages are allowed to buyer; Presented at 11th National Science Symposium 2019 on “Recent trends in science and technology” on 3rd February 2019 organized by Christ college, Rajkot.
  37. J. J. Pandey: Supply chain inventory model for deteriorating items with exponential demand for single vendor two buyers; Presented at Fourth International conference on “Statistics for twenty first century” during 13-15th December 2018 organized by Department of Statistics, University of Kerela, Trivendrum.
  38. J. J. Pandey: Deteriorating items supply chain inventory model for single vendor single buyer under exponential demand; Presented at National Seminar on “Statistics: Recent innovation and future challenges” on 28th January 2018 organized by Sir K.P. College of commerce and Department of Statistics, Veer Narmad South Gujarat University, Surat.
  39. J. J. Pandey: A simultaneous equation model of economic growth in India; Presented at National Seminar on “Advances in Statistics and Its Applications” on 9th July 2017 organized by Rofel commerce College Vapi and Department of Statistics, Veer Narmad South Gujarat University, Surat.
  40. J. J. Pandey: Optimal Buyer-Vendor Inventory Model Policy in Collaborative Supply Chain; Presented at National Seminar on “ Role of Statistics in Research” on 5th March 2017 organized by J. Z. Shah Commerce College Amroli and Department of Statistics, Veer Narmad South Gujarat University, Surat.
  41. J. J. Pandey: Relationship between Savings and Economic Growth: Co- integration and Causality Evidence for India; Presented at National Seminar on “ Role of Statistics in current Scenario” on 27th March 2016 organized by Department of Statistics, Veer Narmad South Gujarat University, Surat.
  42. Monika Shah : “Some neglected aspects of conventional Shewhart control charts for variable ( with fixed location parameter) in SPC” ; One day state level seminar on “RECENT STATISTICAL TRENDS IN BUSINESS AND MANAGEMENT (RSTBM)” on 1st Feb-2015, organized by Dept. of Statistics, VNSGU, Surat and UCCC & SPBCBA & UACCAIT, Managed by Udhna Academy Education Trust, Udhna-Surat.
  43. Monika Shah: “An empirical study on application of Wilcoxon signed rank test in Statistical Process control, when process target is fixed” National seminar on “ Role of Statistics in Current Scenario” on 27th March 2016,organized by Department of Statistics, Veer Narmad South Gujarat University, Surat.
  44. Monika Shah: “Nonparametric control charts for scale parameter”, ICSSR Sponsored Two Days International Conference “ Emerging Issue In Development For Future Generation” during 12-13 February 2020, Jointly Organized by J. Z. Shah Arts and H. P. Desai Commerce College, Amroli & The International Institute For Development Studies (IIDS), Australia at J. Z. Shah Arts and H. P. Desai Commerce College, Amroli, Surat.
  45. Shital S. Patel: “Statistical Quality Control of Multi-item inventory model with different demand and deterioration rates under shortages “ in 2nd International Conference (online mode) on “Mathematical Modelling and Simulation in Physical Sciences organized by Department of Mathematics and Humanities & Department of Physics, S. V. National Institute of Technology, Surat during 5-6 Feb. 2022
  46. Shital S. Patel: “Study on Inventory models under Stochastic demand with unsteady deterioration rate “ in 2nd International Conference on Recent Trends in Mathematical Sciences (online mode) organized by HIMACHAL GANITA PARISHAD (HGP) Shimla during 27-28 Dec. 2022
  47. Shital S. Patel: “An EPQ Model for Variable Production Rate With Exponential Demand and Probabilistic Deterioration “ in International Conference of the Society of Statistics, Computer and Applications(SSCA) ON Significance of Statistical Sciences organized by Department of Statistics, Jammu University, Jammu during 15-17 Feb. 2023
  48. Shital S. Patel: “Impact of Probabilistic Demand on EOQ Models “ in 4th Prof. P. C. Vaidya International Conference on Mathematical Sciences organized by Department of Mathematics, VNSGU, Surat during 4-5 March 2023
  49. Shital S. Patel: “Multi-item Probabilistic Inventory Model with Different Deterioration rates and Shortages via Lagrange method under capacity constraints “ in International Conference on Research Trends in Mathematics and Data Science organized by PG Department of Mathematics & Department of Computer Science with Data Science (online mode), Patrician College of Arts and Science, Chennai during 1-2 March 2024
Dr. Raman D. Patel(Retired Professor and Head)
  1. “Inventory Management Modeling”; in One-day State Level Seminar on ‘Recent Statistical Trends in Business and Management’ on 1st February, 2015 at Udhna Citizen College, Udhna, Surat, Gujarat.
  2. “Optimization Modeling” on 24.06.2015 during One Week Short Term Training Programme (STTP) on ‘Mathematical and Optimization Modeling with Simulation by Scientific Tools for Researchers, Engineers and Scientists (MOMSRES)’ at Department of Applied Mathematics and Humanities, SVNIT, Surat.
  3. “Modeling and Analysis of Deteriorating Items Inventory Models” on 25.06.2015 during One Week Short Term Training Programme (STTP) on ‘Mathematical and Optimization Modeling with Simulation by Scientific Tools for Researchers, Engineers and Scientists (MOMSRES)’ at Department of Applied Mathematics and Humanities, SVNIT, Surat.
  4. “Different Deterioration Rates of Two Warehouse Inventory Models” at International Conference on Gravational, Cosmology and Mathematical Physics organized by Department of Mathematics and Physics, GLA University, Mathura (04 to 07 April 2019)
  5. “ Mathematical Modeling To Real World Problem” at TEQIP-II sponsored STTP on Mathematical Modelling and Simulation for Researchers, Engineers and Scientists (MMSFRES)organizes by Department of Applied Mathematics & Humanities, SVNIT, Surat ( 26-12-2019)
Dr. Arti J. Rajyaguru (Professor and Head)
  1. Misuse of Statistics, Seven Day Workshop on Research Methodology in Social Sciences., Surat, 29-09-2017
  2. Definition and nature of research-tools for thinking, Ethics in research, Computer: It's role in research, 7 days Short Term Course, Ahmedabad, 01-01-2018
  3. Future careers with statistics, University guest lecture series, Surat, 31-01-2018
  4. Career opportunities with statistics, Career Guidance program for students of 12th standard , Surat, 25-02-2018
  5. Applications of Statistics for engineering and computer science, Expert Talks/Seminars during 2017-18, Surat, 12-09-2018
  6. Using statistics correctly, University guest lecture series, Valsad, 12-09-2018
  7. Sample size and Effect size, Recent advances in Statistics and statistical practices, V. V. Nagar, 02-03-2019
  8. Applications of different statistical tests, GUJCOST, DST, Gov. of Gujarat sponsered, one day semianr on Recent trends in Applied mathematics and Statistics, Bardoli, 25-03-2019
  9. Sample size, effect size and statistical / mathematical modeling, 2nd Prof. P. C. Vaidya National conference on Mathematical Sciences, Bhavnagar, 29-12-2019
Dr. Shital S. Patel (Assistant Professor)
  1. Statistical Data Analysis: From Data Collection to Visualization” guest lecture in Workshop on Statistical Data Analysis: From Data Collection to Visualization organized by S. S. Agrawal Institute of Physiotherapy and Medical Care Education, Navsari on 24/06/2023
  2. “Statistical Methods in Biotechnology: Practical Approaches” guest lecture in Department of Biotechnology, VNSGU, Surat on 04/09/2023
  3. “Analyzing Statistical Data using Jamovi” guest lecture in workshop organized by SPB Physiotherapy College (MPT), Rander, Surat on 29/12/2023
  1. Scholar Name: Mital C. Shingala
    Guide Name: Dr. A. J. Rajayguru
    Title: COMPARISON OF DIFFERENT POST HOC TESTS
    Status: Completed
    Year 2017
  2. Scholar Name: Neha Sheth
    Guide Name: Dr. V. D. Naik
    Title: A COMPRENSIVE QUANTATIVE STUDY ON QUALITY OF LIFE OF BREAST CANCER PATIENTS
    Status: Completed
    Year 2017
  3. Scholar Name: Sanjay D. Patel
    Guide Name: Dr. A. J. Rajayguru
    Title: DETERMINATION OF CONSUMPTION PATTERNS – A COMPARATIVE STUDY OF GUJARAT AND INDIA.
    Status: Completed
    Year 2018
  4. Scholar Name: Shehnazparvin Riyaz Sheikh
    Guide Name: Dr. R. D. Patel
    Title:  STUDY ON INVENTORY MODELS FOR DETERIORATING ITEMS WITH DIFFERENT DETERIORATION RATES
    Status: Completed
    Year 2018 
  5. Scholar Name: Tarulata Patel
    Guide Name: Dr. R. D. Patel
    Title: STUDY ON OPTIMALITY AND DUALITY FOR DIFFERENTIABLE AND NON DIFFERENTIABLE MULTI OBJECTIVE OPTIMIZATION PROBLEMS
    Status: Completed
    Year  2018
  6. Scholar Name: Jayshree J Pandey
    Guide Name: Dr. R. D. Patel
    Title: INVENTORY MODELS FOR SUPPLY CHAIN WITH SINGLE VENDOR AND MULTIPLE BUYERS
    Status: Completed
    Year 2019
  7. Scholar Name: Bhavana Naik
    Guide Name: Dr. R. D. Patel
    Title: STUDY ON DETERIORATING ITEMS INVENTORY MODELS WITH DIFFERENT DETERIORATION RATES FOR DEFECTIVE AND REPAIRABLE ITEMS
    Status: Completed
    Year 2020
  8. Scholar Name: Jiten Patel
    Guide Name: Dr. R. D. Patel
    Title: SOME STUDIES ON INVENTORY MODELS FOR DETERIORATING ITMS UNDER SUPPLY CHAIN FOR DECISION MAKING
    Status: Completed
    Year 2020
  9. Scholar Name: Monika Shah
    Guide Name: Dr. Sejal A. Desai
    Title: NON PARAMETRIC TESTS FOR STATISTICAL QUALITY CONTROL WHEN LOCATION PARAMETER OF PROCESS IS FIXED
    Status: Completed
    Year: 2023
  10. Scholar Name: Kavita Rathod
    Guide Name: Dr. A. J. Rajayguru
    Status: Pursuing
  11. Scholar Name: Anilkumar Panchal
    Guide Name: Dr. A. J. Rajayguru
    Status: Pursuing
  12. Scholar Name: Pankajkumar Parmar
    Guide Name: Dr. Sanjay D. Patel
    Status: Pursuing
  13. Scholar Name: Rajeshwaree Bardoliya
    Guide Name: Dr. Sanjay D. Patel
    Status: Pursuing
  14. Scholar Name: Himanshu Chauhan
    Guide Name: Dr. Sanjay D. Patel
    Status: Pursuing
  15. Scholar Name: Dishaben Bharodiya
    Guide Name: Dr. Sanjay D. Patel
    Status: Pursuing
  16. Scholar Name: Varsha Rajput
    Guide Name: Dr. Shital S. Patel
    Status: Pursuing

Our Research Supervisors

team

Dr. Aarti J. Rajyaguru

Professor and Head
team

Dr. Shital Patel

Assistant Professor