Indian Railways app has the following key features:-

1) PNR Status of a booked Ticket.
2) Easily check Train Route / schedule.
3) Availabilty of seats.
4) Currebt Booking Availability.
5) Check Catering Charges/Class Codes/Quotes Codes/StationCodes.
6) Check Reserved Train Schedule/Tatkal Scheme.
7) Check Next 7 Days Availability Report/Next 7 Days Tatkal Availability Report.
8) Know Reservation Rules/Luggage Rules/Refund Rules And Other Related rules.
9) Upgrade Passanger List/ International Tourist/Fair Inquiry/Internet Reservation.
10) Get the information about the different trains:-
--Special Trains.
--Mail/Express/Superfast Trains etc.

Usually Indian RailWay Service iOS app used & searched for

indian rail, indian railway app, indian railway, irctc-indian railways, indian railway pnr & irctc info, indian railway irctc & pnr app, pnr status info, indian railway service, and other. So, download free Indian RailWay Service .ipa to run this nice iOS application on iPhone and iPad.