Swapan Dasgupta is a senior journalist.

C Raj Kumar is the founding Vice-Chancellor of O P Jindal Global University and Dean of Jindal Global Law School.

Vice Admiral Arun Kumar Singh retired as Commander-in-Chief of the Navy's Eastern Naval Command in 2007. A nuclear and missile specialist trained in the former Soviet Union, he was also DG Indian Coast Guard.

Manish Tewari is a lawyer and a former Union minister. The views expressed are personal. Twitter handle @manishtewari

Anil Dharker is a senior columnist based in Mumbai.