In order to transfer money from your Paytm wallet to a bank account, you need the name, account number, and IFSC code of the bank account holder. However, there is a 20k limit on transactions (50k for merchants) if you haven't got your KYC (Know Your Customer) process done. if you need to transfer more than the limit, then you will need get in touch with Paytm to get your KYC done.