Ans.
Please make sure that you have sufficient balance in the bank account that you will be using to make the payment. Also, make sure that you have the Mobile Phone that is linked with the bank account available with you at the time of filling the application so that you can enter the OTP while making the transaction. Also, make sure that the Debit Card or Credit Card that you are using is valid like Expiry Date etc. and the card is not in a blocked mode.