simple
step 1 go to prs counter,,,write from to station and next column write reservation upto and the train number...in onward journey/return column (down the reservation slip) fill for balance journey .like a to c with reservation upto b and next b to c or a to d or e ...then use seperate form the authority(ticket) number wl be same and reservation pnr wl be seperately generated as our tkt contains tkt number and pnr number,,tkt number is constant and pnr get cgenerated...
more... seperately,
this type cannot be booked theough on line only prs counte