According to sources, Swapnil Holey of Maharashtra tried to open the exit door on flight No 6E 6803.
The individual G Karunakaran was an occupant of seat 24 A on flight 6e 487 which took off from Netaji Subhash Chandra Bose International Airport on September 3 at 9.11 pm.
The Mangaluru bound flight – 6E6162 reportedly left the Bengaluru Airport at 2.45 pm, 10 minutes before its scheduled departure at 2.55 pm.
The airline in a statement said that it returned "as a precaution due to a momentary technical caution".
According to airport officials, the IndiGo flight - 6E 2433 bound for Delhi made an emergency landing at Patna airport at 9:11 AM after reporting an inoperative engine.
The incident happened on flight 6E 5605 and the individual was handed over to the security personnel after landing at the Delhi airport.
DGCA is yet to issue a clarification on the exact reason that led to the air turnback of the fight.
IndiGo flight 6E-645 had to take a deviation over Atari into Pakistan airspace due to bad weather on Saturday, the airline said in a statement.