Why the SIP has not been debited?

Why the SIP has not been debited?

There are different reasons for it, the common reason is that the mandate is not approved, please check the status of Login _MF Website_Auto Pay mode. However SIP may not get debited because of insufficient funds/client KYC/Aadhaar PAN not linking. The rejection status updated in MF website_Ongoing SIP_SIP Transaction book.