Submit a personalized cancelled cheque along with the ECS mandate form.
However, please ensure the following :
The name of the customer, bank account number and IFSC Code entered in the mandate should match with the details printed on the cancelled cheque.
The signature entered on the mandate should be the same as updated in your registered bank account Alternatively, submit your latest 3 month's Bank Statement with your name and account details.
Note: A personalized cheque has important details like the individual's name, IFSC code and account number printed on it along with other bank account details.