Im alwes use dis app bcz im maximam work online so im doing all work like mobileb recharg tata skye recharg n online shoping im alwes use this app. And its not a costly and no want extry pay to use this app ist a mormal app.
First you ragiater ur mobile number and choos a password after then paytm .com send u a coad the you open ur message box afte you type the coad on your mobile and clek the register key after that your ragistretion is succesfull then u use this app.