Paytm app is one in all jst lyk carry bank on android mobile .
Let me clear you on this app you can buy everything you can accep money or you can transfer money not only that now a days there lot of problem of cashless every installed paytm like small vendors to high standard there is very simple e step to process paytm jst install paytm from your playstore then you need to register with very simple step then after to purchase something on paytm there you have to put some money on your wallet through your debit card, credit or netbanking option with card details after that your wallat was fulled with money according to your choiced then with instant option you can buy something or you can booked train tickets flight tickets and many more there is huge discounts available.