r u talking about general ticket or tatkal ticket ??
If it is tatkal den no duplicate ticket
if it is general ticket then go to any prs and give all the details like
IN WHICH PRS TICKET WAS BOOKED , passenger name , train name , date class
n...
more... if u hav lost that id card means use any other id card
there is no rule to carry particular id card in general bookings !
U can take any of the priscribed id cards !!