India, Sept. 22 -- A passenger was taken into custody on Monday morning after he tried to open the cockpit door on board the Air India Express flight from Bengaluru to Varanasi on Monday morning.

The man, a first-time flyer, told the cabin crew of Air India Express flight IX 1086 that he was looking for the lavatory and returned to his seat on being asked to do so, an official familiar with the matter said.

The official stated that the passenger, who was travelling along with eight others, was handed over to the Central Industrial Security Force (CISF) as soon as the plane landed in Varanasi.

A CISF official said the passenger had incorrectly pressed the security code of the cockpit door, which alerted the crew on board. The pilot prom...