India, Aug. 23 -- The Aeronautical Development Agency (ADA) of the Defence Research and Development Organisation (DRDO) will unveil the Tejas Mark II with a heavier stand-off weapon capacity in the 75th year of India's independence, in 2022, and the long-awaited indigenous fighter, which will be manufactured by the state-owned Hindustan Aeronautics Ltd (HAL), will go into production by 2025-2026, two senior defence officials said on condition of anonymity.

DRDO's ADA finalised the design of the 17.5 ton Tejas Mark II (Mk-II) in December 2018, and is expected to lock in the design of the fifth generation twin-engine stealth fighter for Indian Air Force (IAF) by the end of the year. ADA officials said the Mk II will have the same weight as...