Singh is primarily visiting Russia to attend a grand military parade in Moscow on June 24 to mark the 75th anniversary of the Soviet victory over Germany in the Second World War.
Weaponry worth $15 billion in Moscow pipeline, underlining Russia's status as India's premier arms supplier
Russian Helicopters is owned by state-owned Russian conglomerate Rostec
Standing in the way of Indian purchases from Russia is an American law passed last year - "Countering America's Adversaries Through Sanctions Act" (CAATSA)
US supplied 14% of arms to India, followed by Israel