Section 36(4) in The Delhi Metro Airport Express Line, General Rules, 2010
(4)Emergency Escape Door - (i) If train does not stop at the correct position and opened train doors are not in front of Platform Screen doors or under other specified conditions provided in special instructions, the passengers from the train can detrain to the platform after opening the emergency escape door by pressing the emergency push bar located on the track side of the emergency escape door;(ii)the door will be designed to swing open and be held at an open position of 90° and the door shall automatically revert to closed and locked position safely if it is left open at less than 90° without need for staff intervention.
