New Delhi, Dec 11 (ANI):Russian President Vladimir Putin arrived in New Delhi to boost ties that would encompass issues from defence to nuclear power and even diamonds. Putin's India visit will prepare the way for two Siberian oil deals and chart a route for a first pipeline between the two countries.On Putin's arrival, Modi tweeted:"Delighted to welcome President Putin to India! Looking forward to a productive visit that will take India-Russia ties to newer heights". On Thursday Putin and Modi will hold delegation-level talks and also inaugurate World Diamond Conference.Though both Modi and Putin have met earlier but structured bilateral talks have not been held so far. It will be the first annual summit meeting between both of them.