1.
Visited ICTP Trieste, Italy to
participate in a workshop on Mathematical Ecology Including an Introduction to
Mathematical Economic held from February 28-March 25, 2000. I also delivered an
invited talk on “A predator-prey interaction model with self and
cross-diffusion”.
2.
Visited
as an expert for the selection of Professor in Mathematics at Kathmandu
University, Nepal held on August 08, 2013.
3.
Delivered
an invited talk on “Modeling the
dynamics of a fishery model with optimal harvesting policy” in the
2015 Joint meeting of the 5th China-Japan-Korea Colloquium and the 25th
Meeting of the Japanese Society for Mathematical Biology held at Doshisha
University, Kyoto, Japan during August 26-29, 2015.
4. Visited the School of Mathematics and Physics, China University of Geosciences during August 19-21, 2019 and delivered an ionvited talk on “Role of optimal harvesting in resource management: a mathematical modelling approach’’.
5. Delivered an invited talk on “Dynamics of a prey-predator system: role of fear, refuge and delay” in the 7th China-India-Japan-Korea International Conference on Mathematical Biology held at University of Science and Technology, Beijing, China during August 23-27, 2019.