Correct option is A
The correct answer is
(a) Bharat Dynamics Limited
Explanation: • BDL manufactures guided missile systems for Indian Armed Forces. • Invar ATGMs are fired from T-90 tanks. • Order strengthens indigenous defence production. • Supports modernization of the Army’s armoured units. • BDL is the primary missile production PSU in India.
Information Booster: • BDL also produces Akash, Nag, and Konkurs missiles.
Additional Knowledge: (b) AVNL → Makes combat vehicles. (c) BEL → Electronics & radars. (d) GRSE → Warships.