Putin will hold a formal meeting with Modi at 11am in Hyderabad house after which the India-Russia summit will kick off. After the summit, agreements will be exchanged. The focus during the visit will be on the s-400 triumph air defence missile systems agreement. Putin will oversee the signing of the "$5 billion deal". The purchase will violate sanctions under the countering America's adversaries through sanctions act (CAATSA) instituted by the US congress on arms purchases, but American lawmakers have allowed the possibility of a presidential waiver.