IDBI Bank — fixed deposit

i m already having saving acc in ths bank..now i wantd to have one fixed deposit of rs 25000 for 3 years..the bank not letting me get that, saying i need to have pan card foq that.but on their form its giventhat pan is requird only for amount more than 50000 .then i calld their customer care no, even that guy is also saying that for fd of 25000 rs pan is nt compulsory.but he has no idea why my local branch didnt let open a fd widout pan.please help.i have applid for pan.but it wil take sum time..