To stop your fixed deposit from auto-renewal to will have to inform your bank before maturity. You must provide instructions for canceling the auto-renewal to the bank. In case you don’t inform then the FD will be renewed automatically on maturity. Firstly, log in to your bank account and change the maturity instruction for a fixed deposit. Alternatively, you can call the 24*7 customer support of the bank. Lastly, you can visit the nearest branch and place your request.