Tejas, India's indigeneously-designed Light Combat Aircraft, Friday got initial operation clearance (IOC-II).
Defence Minister A.K. Antony handed over release to service document (RTS) to Indian Air Force chief N.A.K Browne.
The certification paves the way for the induction of Tejas into the Indian Air Force.
Speaking at the event, Anthony said: "It is a great day for the whole nation."