Answer : 3. "HAL"
Explanation :

Solution: Indian public sector aerospace and defense manufacturer Hindustan Aeronautics, which currently has the capacity to produce eight light combat aircraft per year, intends to take it to 24 during the next three years. The first version of the Tejas LCA aircraft was inducted into the IAF in 2016. Currently, two squadrons of the IAF, 45 Squadron and 18 Squadron, are fully operational with LCA Tejas. An order worth Rs 36,468 crore has been awarded to HAL for the delivery of 83 LCA Mk 1A aircraft and deliveries are scheduled to begin by February 2024.