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Sister Nibedita Government General Degree College for GirlsAffiliated to University of Calcutta    |    (Recognised under Section 2(f) of UGC Act, 1956)

An Institution for Undergraduate Studies in Science & Humanities
Under the Department of Higher Education, Govt. of West Bengal

Department of Mathematics

Faculty Profile

Dr. Monami Das Roy, W.B.E.S

Qualification

Ph.D.: Jadavpur University, Kolkata, 2013, Inventory Control and Production Planning.
M.Sc.: Vidyasagar University, Paschim Medinipur, 2002, Applied Mathematics with Oceanology and Computer Programming, Specialization: Operations Research.
B.Sc. (Hons): Midnapore College, Paschim Medinipur, Vidyasagar University, 2000, Subject: Mathematics (Hons.)

Contact Details :

ASSISTANT PROFESSOR
Department of Mathematics
E-Mail: monamidasroy@gmail.com 

Teaching Experience:

  • Associate Professor (WBES) in Sister Nibedita Govt. General Degree College for Girls, Hastings House, Alipore, Kolkata from 17.01.2025 to till date.
  • Associate Professor (WBES) in Haldia Government College, Purba Medinipur from 04.07.2015 to 16.01.2025.
  • Assistant Professor (WBES) in Bethune College, Kolkata from 19.06.2006 to 03.07.2015.

Research Experience:

  • PhD onwards: 18 years (approx.)

Academic Achievement:

Ph.D. (2013)
NET (2004) [Junior Research Fellowship in MATHEMATICAL SCIENCES under UGC Fellowship Scheme]
GATE (2002)
University 3rd in B.Sc. (Honours in Mathematics), 2000

Research Interest

  1. Production Planning,
  2. Inventory Control,
  3. Optimization,
  4. Supply Chain Systems
  5. Just-in-time (JIT) modelling, etc.

Publications:

Peer Reviewed Journal(s)

  1. Das Roy, M. and Sana, S., 2023. The return and remanufacturing rates in a multi-stage green supply chain system with rework, variable shipping cost and ordering cost reduction. International Journal of Systems Science: Operations & Logistics. 10 (1), 2113174. (SCOPUS).
  2. Das Roy, M. and Sana, S., 2021. Multi-echelon green supply chain model with random defectives, remanufacturing and rework under setup cost reduction and variable transportation cost. Sādhanā, 46 (4), 1-18. (SCI).
  3. Das Roy, M. and Sana, S., 2021. Inter-dependent lead-time and ordering cost reduction strategy: a supply chain model with quality control, lead-time dependent backorder and price-sensitive stochastic demand. Opsearch 58 (3), 690-710. (SCOPUS).
  4. Das Roy, M. and Sarker, B.R., 2021. Optimizing a supply chain problem with nonlinear penalty costs for early and late delivery under generalized lead time distribution. Computers & Industrial Engineering 160, 107536 (SCI).
  5. Das Roy, M. and Sana, S., 2021. Production rate and lot-size dependent lead time reduction strategies in a supply chain model with stochastic demand, controllable setup cost and trade-credit financing. RAIRO-Operations Research 55, S1469-S1485. (SCI)
  6. Das Roy, M., 2020. Combine effect of quality, setup and ordering cost control in a three-stage multi-item supply chain model with transportation discounts. Int. J. Anal. Exp. Mod. Anal 12, 470-479. (SCOPUS).
  7. Das Roy, M., 2020. Lead-time Dependent Ordering Cost Reduction and Trade-credit: A Supply Chain Model with Stochastic Demand and Rework. International Journal of Recent Technology and Engineering 8 (5), 1-5. (SCOPUS).
  8. Das Roy, M., 2019. Preservation technology investment policy-an inventory model with stock-dependent demand, time-varying holding cost and exponential partial backlogging. International Journal of Management, IT and Engineering 9 (1), 280-291. 
  9. Das Roy, M., 2019. Integrated supply chain model with setup cost reduction, exponential lead time crashing cost, rework and uncertain demand. International Journal for Research in Engineering Application & Management, 5 (1), 752-757.
  10. Das Roy, M., 2018. A Nonlinear EOQ model for time-dependent demand, deterioration and shortages with inflation. International Journal of Management Technology and Engineering, 8 (XII), 1574-1584.
  11. Das Roy, M., 2018. An EPQ model with variable production rate and markdown policy for stock and sales price sensitive demand with deterioration. International Journal of Engineering, Science and Mathematics, 7(4), 260-268.
  12. Das Roy, M. and Sana, S., 2017. Random sales price-sensitive stochastic demand: An imperfect production model with free repair warranty. Journal of Advances in Management Research, 14 (4), 408 - 424. (SCOPUS).
  13. Das Roy, M., Sana, S. and Chaudhuri, K., 2014. An economic production lot size model for defective items with stochastic demand, backlogging and rework. IMA Journal of Management Mathematics, 25(2), 159 – 183. (SCI).
  14. Das Roy, M., Sana, S. and Chaudhuri, K., 2012. An integrated producer-buyer relationship in the environment of EMQ and JIT production systems. International Journal of Production Research, 50 (19), 5597 – 5614. (SCI).
  15. Das Roy, M., Sana, S. and Chaudhuri, K., 2011. An optimal shipment strategy for imperfect items in a stock-out situation. Mathematical and Computer Modelling, 54 (9 - 10), 2528 – 2543. (SCI).
  16. Das Roy, M., Sana, S. and Chaudhuri, K., 2011. An economic order quantity model of imperfect quality items with partial backlogging. International Journal of Systems Science, 42 (8), 1409 – 1419. (SCI).
  17. Das Roy, M., Sana, S. and Chaudhuri, K., 2011. An EOQ model for imperfect quality products with partial backlogging - a comparative study, International Journal of Services and Operations Management, 9 (1), 83 – 110.
  18. Roy, M., Sana, S. and Chaudhuri, K., 2010. A stochastic EPLS model with random price sensitive demand. International Journal of Management Science and Engineering Management, 5 (6), 465 – 472.

Book Chapter(s)

  1. Monami Das Roy. Study on Supply Chain Model with Stochastic Demand, Rework, Trade-credit, Variable Transportation Cost and Lead-time Dependent Ordering Cost Reduction. New Approaches in Engineering Research, Dr. Jelena Purenovic, BP International, August 2021, Vol. 9 (3), pp 132-140, ISBN: 978-93-91595-18-0 (Print), ISBN: 978-93-91595-26-5 (eBook), https://doi.org/10.9734/bpi/naer/v9/2539F 

Book/others

  1. Das Roy, M., Inventory Control & Production Planning: A Researcher’s Guide. LAP LAMBERT Academic Publishing, Germany, 2013, ISBN-13: 978-3659420481.

Seminar/Conference/Workshop Attended/presented:

  1. Das Roy, M., “Warranty Policy for An Imperfect Production Model with Random Price-Sensitive Demand”. National Symposium on Recent Trends in Applied Mathematics, 2019 (RTAM19), Department of Applied Mathematics, University of Calcutta, West Bengal, India, March 12 - 14, 2019.
  2. Das Roy, M., “Markdown Policy for an EPLS Model with Deteriorating Products”, National Seminar on Recent Trends in Mathematical Sciences (RTMS-2019), Department of Mathematics, The University of Burdwan, West Bengal, India, February 06 –07, 2019.
  3. Das Roy, M., “Optimal pricing and manufacturing policy for an unreliable EPQ model with variable production rate and rework having stock and price sensitive demand, deterioration and shortages”, the National Conference on Optimization and Computational Mathematics (NCOCM 2016), Vidyasagar University (Department of Applied Mathematics with Oceanology and Computer Programming), Midnapore, West Bengal, India, March 1 ~ 2, 2016.
  4. Das Roy, M., “An EPLS model for price-dependent stochastic demand in an imperfect production process and rework”, the National Seminar on Recent Trends in Applied Mathematics and its Computational Aspects, University of Calcutta (Department of Applied Mathematics), Kolkata, West Bengal, India, March 25 ~ 27, 2015.
  5. Das Roy, M., “The joint effect of deterioration and partial backlogging in a supply chain system”, the 2nd International Conference on Recent Trends in Mathematics and Its Application (ICRTMA 2015), Vidyasagar University (Department of Applied Mathematics with Oceanology and Computer Programming), Midnapore, West Bengal, India, March 18 ~ 19, 2015.
  6. Das Roy, M., “An economic order quantity model of imperfect quality items with partial backlogging”, the National Seminar on Recent Trends in Operations Research and Its Computational Challenges A UGC (SAP) DSA Programme, University of Calcutta (Department of Applied Mathematics), Kolkata, West Bengal, India, November 17 – 18, 2009.

Awards:

  1. Awarded Ph.D. degree in 2013.
  2. Medal for 1st class 1st in college in B.Sc. (Honours in Mathematics), 2000.

Members in Professional body:

  1. Member in Indian Statistical Institute.
  2. Life member in Calcutta Mathematical Society.

Others

  1. https://scholar.google.com/citations?user=ggJmNBIAAAAJ&hl=en 
  2. https://www.researchgate.net/profile/Monami-Dasroy-2