Section 12 in The Railway Passengers (Cancellation of Ticket and Refund of Fare) Rules, 2015
12. Change of journey from lower class to higher class.
(1)Change of reservation shall be allowed on a reserved ticket of lower class for higher class on the same train and day without levying any cancellation charges but on payment of fresh reservation fee and difference of fare, if any, for higher class subject to the condition that -(i)accommodation is available; and(ii)the request for change is made -(a)either during the working hours of reservation office and upto six hours before the scheduled departure of the train subject to restriction on timings of this facility imposed by railway administration from time to time; or(b)during the course of journey in the train.(2)The change referred to in sub-rule (1) shall be allowed only once.(3)If the ticket on which change of reservation has been allowed under sub-rule (1) is cancelled, cancellation charges shall be payable as follows, namely:-(a)cancellation charge as would have been due if the original reservation had been cancelled at the time when the change of reservation was allowed; and(b)cancellation charge due in respect of the altered reservation as if the altered reservation is a fresh reservation.
