NEW DELHI—It’s been two weeks since U.S. President Joe Biden and Russian President Vladimir Putin had a video call to discuss a range of issues on the U.S.-Russia agenda, including the United States’ and allies’ concerns about Russia sending troops to the Ukraine border. But just a day before the video call, Putin had made a quick trip to India for a bilateral meeting with Indian Prime Minister Narendra Modi. Radomir Romanov, a Senior Officer of Asia-Pacific International Institutions and Multilateral Cooperation Studies Center at the Far Eastern Federal University in Vladivostok, told The Epoch Times that by meeting Modi on Dec. 6, Putin made a very “simple and understandable” signal to Biden that he can negotiate behind Biden’s back with nations that matter to the United States. The brief summit between Putin and Modi took place hours after the inaugural 2+2 dialogue between the foreign and defense ministers of …