To all Indians and also if anybody anywhere who is specialised on banking this is a question to u…..?

i passed out of college this yr..i was given a bank draft to take away my caution deposite money frm my that said its valid till 6 months of issue…
but my questin is simple…i have some how lost it…(loosing such a thing u can understand never is deliberate..i was carefull but misplaced it..somehow..)now its a Rs 5000/- bank draft.made frm punjab national bank.with my mane on it…
1. what should i do now?
2. can that be re issued?
3 please tell me a way i can get that draft back?
4. if it had fallen into some one elses hand..can he/she do something with it?(it had my name on it)

please help

if there is one door closed we all know god keeps 100 open for us!