Air India Delhi-bound passengers stranded in Doha since Monday evening

An Air India spokesperson said that the flight was delayed due to technical reason. "By the time, the aircraft was cleared for take off at 11.40pm, the cockpit crew had come under FDTL (Flight Time and Duty Limitation-norms that lay down the work and rest timings for pilots) and could not operate," said the Air India spokesperson, adding that there are 150 passengers in the flight.