Login & enter your SBI Card number ,Email id ,contact no & payment amount.
  Click on Debit Cards / NetBanking & select your netbanker/debit card from the drop down & click on pay
  You will be securely redirected to the bank payment interface of your chosen net banking option.
  Enter your authentication details [viz user id/ password]
  Confirm your payment amount to SBI Card.
  Your account will get debited online.
  You will receive an online transaction confirmation and a
Transaction Reference Number.
  You will also receive an email acknowledgement of your transaction
(if email id provided).