you can apply for sbi credit card against fd via branch or online...
for branch u need to visit branch and go to the credit guy and he will guide you.
For online you need to apply for sbi credit card.. and then the customer care will call you,then you tell them you want credit card against your fd then they will ask u to create a fd and then give them fd number and they will issue u a card ....
you can apply for all sbi core cards against fd except sbi aurum and sbi cashback
minimum amount of fd for sbi card is -
1) Simply save and simplyclick- 25k
2) sbi pulse- 30-40k
3) sbi prime - 55k
4) sbi elite- 1.25L
u can also get sbi miles/ sbi miles elite/ sbi miles prime against fd