with Prof.S.Ganesan (Ph.D Supervisor) and Prof.Robert R.Alfano (CCNY) – 2020

with Bharat Ratna Prof.C.N.R.Rao (Indian Chemist) -2017

with Prof.Ajayan Vinu (Indian Chemist) -2017

with M.S.Swaminathan (Agricultural scientist) -2010

with Prof.Nobutaka Hanagata (Mentor) -2012

with Prof.Yoshinobu Baba, Nagoya University, Japan – 2023

with Prof.V.Murugesan (Former research director, Anna University) -2019

with Prof.Akira Suzuki (Japanese Chemist, Nobel price winner – Chemistry 2010)

with Prof.D.Velmurugan (Master degree – Mentor) – 2017

with Prof.Fuyuhiko Tamanoi (Mentor) -2021

with Prof.Ammasi Periasamy (University of Virginia) -2020