Explanation:

The Ministry of Defence signed a contract with Bharat Dynamics Limited (BDL) for the supply of ASTRA MK-I Beyond Visual Range (BVR) Air to Air Missile (AAM).
The contract includes associated equipment for the Indian Air Force and Indian Navy, along with the missile, at a cost of ? 2,971 crore under Buy (Indian-IDDM) category. ASTRA MK-I BVR AAM has been indigenously designed and developed by Defence Research and Development Organisation (DRDO).