Moscow, May 28 -- National Security Advisor Ajit Doval on Thursday said countries cannot have double standards in their fight against terrorism and called on responsible nations to take decisive action against terrorist groups and those states which sponsor or finance such groups.

Addressing the 1st International Security Forum and the XIV International Meeting of High-Ranking Officials Responsible for Security Matters in Moscow, Doval said terrorism constitutes one of the most serious threats to international security.

"Every country has a responsibility to fight terrorism. There cannot be double standards in the fight against terrorism. Responsible nations must evaluate their choices and decide whether they support the sponsors of ter...