Paytm is India's largest mobile payment platform with 18 crore wallet users and 2 crore shops accepting Paytm payments. It offers a wide range of services including mobile and bill payments, travel bookings, wallet transfers, insurance, loans, and entertainment tickets. Upgrading to a KYC wallet allows users to maintain higher wallet balances of up to Rs. 1 lakh and transfer up to Rs. 25,000 to their bank account each month while receiving cashbacks. A KYC wallet also allows users to open a savings account with Paytm Payments Bank and enjoy additional banking services.