Section 7(5) in The Railway Passengers (Cancellation of Ticket and Refund of Fare) Rules, 2015
(5)In remote and hilly areas as identified by the Zonal Railways, with the prior approval of the General Manager and printed in the time table, for night trains leaving between 1900 hours and 0600 hours (actual departure), the refund shall be admissible at the station within first two hours after the opening of reservation or booking office, in case there is no reservation counters or booking office or current counters available in that area.
