Instructional Workshop on Convex Analysis, Optimization and Application, December 5-21 2005, Indian Institute of Technology Kanpur, Kanpur India. India.

International Instructional Workshop on Convexity in Discrete Structures, 22 March – 2 April 2006, University of Kerala, Thruvananthpuram, India.

National Symposium on Recent Advances in Optimization Theory and Applications, October 27-28, 2006, New Delhi, India

National Conference on Mathematical Modeling, Optimization and Their Applications”, 28 - 29 April, 2007, New Delhi, India

First International Conference on Emerging Trends in Engineering and Technology, July 16- 18 2008, Nagpur India

40th Annual Convention of Operational Research Society of India, December 4- 6 2007, New Delhi India

71st Annual Conference of the “Indian mathematical Society”, December 26- 29, 2005, Indian Institute of Technology Roorkee, Roorkee, India.

Role of Ethics and Soft Skills in Effective Teaching, Quality Improvement Programme Center, March 12-16, 2008, Indian Institute of Technology Roorkee, Roorkee, India.

IEEE Swarm Intelligence Symposium -2008, Septemer 21- 23, 2008, St. Louis Missouri USA.

International Conference on Modeling of Engineering and Technological Problems, January 14 – 16, 2009, Agra, India.

IEEE International Advance Computing Conference (IACC'09), March 6-7, 2009, Patiala, India.

Fourteenth Annual Conference of Gwalior Academy of Mathematical Sciences (GAMS) With Symposium on Computational Mathematics and its Application to Engineering, Management and Biology, July 17-19, 2009, Gwalior, India.

World Congress on Nature and Biologically Inspired Computing (NaBIC), December 9- 11, 2009, Coimbatore, India.

Workshop on New Directions in Applied Mathematics, Department of Mathematics, Jan.01 – Jan 03, 2010, IISc Bangalore.

One Day Workshop cum Training Programme on Open Source Software Tools for Optimization, Feb. 17, 2010, Indian Institute of Technology Roorkee, Roorkee.

Swarm, Evolutionary and Memetic Computing, Dec. 16-18, 2010 Chennai, India.

International Conference on Soft Computing for Problem Solving (SocPros 2011), Dec. 20-22, 2011