Mumbai, Around 160 passengers on board an IndiGo Delhi-bound flight from Vadodara on Sunday night were forced to sit in the dark, sweating profusely for half an hour, as the ground power unit supplying electricity to the aircraft malfunctioned before the departure, according to sources.
The aircraft, operating IndiGo flight 6E 657 (Vadodara-Delhi), was to depart at 8.40 pm.