1. “GNU Linear Programming Solver Kit”, at the International Workshop on Optimization Techniques & Softwares at Srinagar, J&K on 19th October, 2013 and in the Department of Statistics, Bharatidasan University, Tiruchirappalli (2014) 

2. "LATEX for Research Documentation" at (i) the Indian Institute of Management, Tiruchirappalli (2013), (ii) the Higher Colleges of Technology (2012), (iii) Indian Institute of Technology Bombay (2011)

3. "OR Modelling with Open Source Software" at the annual FLIGHT programs organized by The Akshaya Patra Foundation (TAPF), Ahmedabad (2016, 2017, 2018)