The aircraft involved was Boeing 787-8 Dreamliner, according to Flightradar data.
Reuters could not independently verify the make of the aircraft.
It was not immediately clear what caused the crash. Boeing did not immediately respond to a Reuters’ request for comment.
The plane was headed to Gatwick airport in the UK, Air India said, while police officers said it crashed in a civilian area near the airport.
Boeing shares fell 7.8% to $197.3 in premarket trading.