Dr. Umar Ardo, a prominent promoter of the All Democratic Alliance (ADA), has pledged to legally challenge the registration of the Nigeria Democratic Congress (NDC), alleging irregularities in its recognition by the Independent National Electoral Commission.

The Nigerian Democratic Congress (NDC) has accused Dr. Umar Ardo of the All Democratic Alliance (ADA) of making false claims regarding the due process of NDC's registration by the Independent National Electoral Commission (INEC).