Gave talk on “Blue Economy: A crossed view between India and France” at the Sea Tech Week ® 2022; 26-30 September 2022, Brest Expo, France

“Technologies being developed in India for utilisation of ocean resources” at IEEE / MTS Oceans 15 conference in May 2015 at Genova, Italy.

Plenary Talk on “Ocean Observations program of India” International Conference on Oceans ’14 MTS/IEEE, Taiwan, Taipei April 7-10, 2014.

"Indian Ocean Energy Programme" as a part of the inaugural conference "Innovative Engagement for Sustainable Development : The Edinburgh-India Story" during 15^th & 16^th May 2014, which Dr.A.P.J. Abdul Kalam, former President of India inaugurated, at the invitation of University of Edinburgh.

“Indian Deep sea mining status” at University of Victoria, Canada

“Developmental Studies on the Use of Positive Displacement Pumps for Lifting Manganese Nodules from the Deep Oceans” at Korean Institute of Geoscience and Mineral Resources (KIGAM), at the International Symposium on Deep Ocean Lifting Technology, held at Seoul, Korea.

“Status of India’s Ocean Mining Programme” at International Society for Offshore and Polar Engineers (ISOPE) at Ocean Mining Symposium at Hawaii

“Developments in Underwater Technologies – Indian Scenario” at International Conference on Underwater Technology – 13 (UT-13). at Tokyo, Japan by IEEE, Japan.