What is the procedure for cancelling a SIP through ECS?

The SIP’s registered through ECS mode, for funds receipt the intimation is given to respective clients bank and registration is done with BSE for the purchases. So whenever client decides to cancel the SIP, he has to send the duly filled and signed SIP cancellation form to MOSL Malad office, so that intimation can be given to their respective banks to cancel the ECS mandate.