Revocation of gst number

My query is that a taxpayer has two gst number in the State of Maharashtra .His accountant wrongly apply for cancellation of gst number which they don't want to apply .In that matter department cancelled the number w.e.f may 2019. Now they want to revoke the gst number . please let me know how can they will do. There is no opinion reflected in the gst portal for revocation.