Your withdrawal instruction could have been rejected due to the following possible reasons. KYC is not complete.  FATCA declaration is incomplete. Insufficient balance/units in the fund or the plan you tried withdrawing. The fund you tried to withdraw has a lock in.  Issues related to Minor to Major change:   – Minor to Major change required.  – Minor to Major change documents are pending.  – Investor tax status code is minor but age has crossed 18years.  – Guardian Details not updated for the minor (investor).