Defence Research and Development Organization (DRDO) is an agency of the Republic of India, charged with the military's research and development, headquartered in New Delhi,

As you asking I am telling DERO Light Combat Aircraft Tejas (Technology Demonstrator I) [LCA (TD1)] successfully completed the first block of 12 test flights demonstrating its soundness of design in June 2002,.


Its first block of flight tests covered gentle manoeuvres upto 2.5g, left & right rolls, handling quality (HQ) tests, climb upto 8 km, formation flights, tower-fly-by-test, parametric identification manoeuvres, neutral point estimation, air data calibration, landings with/without use of brake parachute and a host of system related tests.

Defence Research and Development Organization (DRDO) profile

Formed 1958

Headquarters DRDO Bhavan, New Delhi

Employees 30,000 (7,200 scientists approximately and 12000 technical officer
and assistants)

Annual budget 10300 crore (US$1.5 billion)(2011-12)

Minister responsible Manohar Parrikar, Defence Minister of India

Agency executive Selvin Christopher[3], Secretary, Department of Defence
R&D