Domestic airline Vistara has obtained government approval to launch international flights.
It currently operates 730 flights a week to 24 cities in the country using a fleet of 20 single-aisle Airbus A320.
Civil Aviation Secretary Pradeep Singh Kharola said on Wednesday that Vistara has been authorised to mount international flights.
Vistara, which started operations in 2015, is 51 per cent owned by conglomerate Tata Sons and 49 per cent owned by Singapore Airlines. It was the first airline to introduce premium economy seats.
Since January, Vistara has been sending its pilots to fly with Singapore Airlines and its budget subsidiary Scoot.
The initiative is aimed at giving identified young pilots, mostly first officers, the opportunity to gain international as well as operational experience on long-haul wide-bodied Boeing 787 Dreamliner.
The airline will start taking deliveries of Dreamliners next year.