NACH (National Automated Clearing House) or ECS (Electronic Clearing Service) Cancellation request is used to cancel automatic debit from your account every month to pay bills like telephone bills, electricity bills, installments, insurance premiums etc or loan EMI’s. Now submit your mandate cancellation requests online. Fill this form & click Submit. Your request for cancellation of mandate will be processed in 7 days, subject to fulfilment of all terms & conditions associated with mandate cancellation.