dear jamesbond IN LIGHTER VAIN please change name since you are asking this question and u couldnt find the answer on the debit card itself.hahaha...
now to proper answer question wise
1. yes definately.
2.check on reverse of your debit card there are 4 digits on signature space these arent the nos you should apply the other three numbers ahead of that are the 3 digits you must type on the paisapay page.
3. if making online payment the option comes that requires u to fill two corresponding nos to the digits displayed . Now again see the reverse bottom side of your debit card fill the nos mentioned below the corresponding alphabets for more help you may call me at my mobile no +919800003363 happy shopping but dont b a competetior in bidding 🙂