Paytm is very useful app. I am using this app continuously. Its lay out and interface is very much attractive. Using it you can do a very fast transactions. And its security is very much affective. You will safe while transactions throug this app. You will also get offers time to time. Actually you will get cash back offers all the time you do transactions through it. You will also find much of option in menu , what you can do with this. It also returns your money when your transactions were inturupted in between due to network problem. So in that case don’t care aboit this your money will be returned to your wallet.
The only problem I face using it is it does slow transaction with few specific banks debit card.
Other wise this is a good app.