According to reports, all the passengers were safe.
Kolkata: A complete emergency was declared at Kolkata airport on Saturday night after a fuel leakage was reported from an Air India flight. The Delhi-bound AI-335 flight was coming from Bangkok.
"At around 10.35 pm due to a suspected technical glitch, Bkk-Del AI335, operated with an A320neo made a precautionary landing at Kolkata airport. Passengers were later flown to Delhi at 2.30 am. Aircraft operated on Kolkata- Mumbai route this morning after thorough checks," Air India said in a statement.
On the same day, a Kolkata-bound IndiGo aircraft returned to Chennai shortly after take off after a technical glitch was observed by the crew. Indigo stated that it was mere operating procedures and not an emergency landing.