for special trains booking
IR allows minimum distance of 500 KM one way and 1000 KM for a round trip with minimum 18 coaches
#give an application [format] to the station master where the journey is to commence
#in application mention destination/route to be followed and halts enroute
#application...
more... to be submitted 30 days prior to the journey date and not more than 6 months is accepted.
#security deposit of 900000 with application for full train [50000 per coach]
#No concession allowed