DRDO is the largest and most diverse research organisation in India.
DRDO is the premier agency, working under the Department of Defence Research & Development in Ministry of Defence.
The organisation is headquartered in Delhi.
It was established on January 1, 1958 after merging Directorate of Technical Development & Production of Indian Ordnance Factories and Technical Development Establishment, with Defence Science Organisation.
It also developed a medicine named 2DG, to fight covid-19.