If you want to link a new bank account with IIFL then you can do it. You have to go through the below steps to change your registered bank account with IIFL Trading Account.
Go to the broker’s website and download the change bank detail form.
Fill the form, sign it and attach new bank account proof (canceled cheque, passbook, last 3 months bank statement etc.)
Submit the form along with the bank proof to the IIFL head office address.