Modi said India and Russia have been friends for a long time and thanked Putin for inviting him for the first-ever informal meeting at Sochi.
The shock move comes days after Comey testified on Capitol Hill about the FBI's investigation into Russia's election meddling and a possible collusion between the country and Trump's campaign.
Russia and the US began second round of negotiations on securing Syria's chemical arsenal, hoping the high-stakes talks would lead to broader peace efforts, even as Damascus submitted application to UN for joining the chemical weapons convention.
Russian President Vladimir Putin has warned the United States against any unilateral military stike on Syria, saying it would trigger a new wave of terrorism, result in the collapse of the United Nations and claim more innocent victims as the conflict could spread beyond Syria's borders.
'A resurgent Jaish could be a reflection of the Pakistani security establishment's view that with the region moving ever closer to a post-US Afghanistan, it is time to redirect attention to Kashmir.'
With a massive final push, which began mid-November, Syrian forces loyal to Bashar al-Assad took over the last remaining rebel strongholds in the historic city of Aleppo on the night of December 12. They only won a ruined city and ruined lives.
In a major breakthrough, the United Nations Security Council on Saturday voted unanimously on a resolution to destroy Syria's chemicals weapons stockpile and warned of strong action in case of non-compliance by Damascus.