The power of Court to allow a party to fulfill deficiency of Court fees under section 149, of C.P.C. is its __ power?

The power of Court to allow a party to fulfill deficiency of Court fees under section 149, of C.P.C. is its __ power?

Explanation

The power of Court to allow a party to fulfill deficiency of Court fees under section 149, of C.P.C. is its Discretionary power