Manufacturing of Helicopters The Defence Acquisition Council (DAC) has accorded Acceptance of Necessity (AoN) in May 2015 for procurement and co-production of Russian Helicopters in India. No contract has been concluded in this regard between the two countries. Other projects under discussion with Russia include tanks, aircraft, ships etc. This information was given by Defence Minister Shri Manohar Parrikar in a written reply to Shri Adhalrao Patil Shivajirao and others in Lok Sabha today. DM/NAMPI/RAJ