It is a very nice product like wallet in your mobile.Without any debit card or anything else you can transfer fund, purchase anything, recharge anything, pay any bill, purchase movie, train, flight ticket-what ever you want.Also you will get maximum cash back with every transaction.
Pls visit https://airtelworld.in to subscribe and go to any nearby ratailer to activate it who are airtel mobile user.Start using *400# who already subscribed already.Just use it and be thrilled.