174 passengers on board a New Delhi-bound IndiGo plane had a narrow escape when the aircraft 6E-508 suffered a tyre burst before taking off from the Patna airport on Friday . The flight crew responded immediately and successfully evacuated the passengers from the emergency exit of the aircraft. The plane was about to take off when the tyre suddenly burst and as smoke was observed in cabin by the Cabin crew. Capt. elected to evacuate due to precautionary reasons.