RESEARCH

Currently, I am working on stochastic supply chain models. Prior to this, I worked on sustainable inventory models. 

Find me at:  ResearchGate, ORCID

Publications: 

• B. Roy and N. Ghosh (2024), 'Unequal shipment policy in a sustainable production inventory system considering defective items and multi-level price breaks', International Journal of Systems Science: Operations & Logistics , 11(1), 2310627

• N. Ghosh and B. Roy (2025), 'An online-offline sustainable hybrid production supply chain inventory model with controllable lead time', European Journal of Industrial Engineering

• B. Roy and N. Ghosh (2026), 'Optimizing a Production-Inventory Model Under Progressive Carbon Taxation: The Role of Green Investment, Lead Time, and Price Breaks', Environmental Modeling & Assessment

• N. Ghosh and B. Roy (2026), 'Impact of raw material quality and reference greening in a competitive three-echelon closed-loop dual-channel supply chain', Computers & Industrial Engineering 

• N. Ghosh, S. Biswas, A. Sadhukhan, and B. Roy (2026), 'Multi-shipment policy in an unreliable production inventory system considering stock-dependent demand', OPSEARCH

Conferences:

• Presented a paper at the 'International Conference on Emerging Trends in Business Analytics and Management Sciences, 57th Annual Convention of ORSI (ORSI-2024)' 

• Presented a paper at the '19th International Conference on Mathematical Sciences for Advancement of Science and Technology (MSAST 2024)'

• Presented a paper at the '20th International Conference on Mathematical Sciences for Advancement of Science and Technology (MSAST 2025)'

     Review activity:  Active reviewer for the Journal of Retailing and Consumer Services, International Journal of Production Research (IJPR).