Indian full-service carrier Vistara is adding to frequencies on the London Heathrow to Delhi route.
Starting from April 2 the route expands to six flights a week with an additional Saturday service.
TATA SIA Airlines Limited, operating under the brand name Vistara, is a joint venture between Tata Sons and Singapore Airlines Limited (SIA).
Vistara launched commercial operations in 2015, and flies to around 42 destinations within and outside of India.
It has a fleet of 50 aircraft, including 39 Airbus A320, four Airbus A321neo, five Boeing 737-800NG, and two Boeing 787-9 Dreamliner aircraft.
