Gagdi, who is of the All Progressives Congress (APC) was removed from office on Tuesday after the majority leader, Henry Yunkwap, read the impeachment notice signed by 18 of the 24 members of the House.
Clerk of the House, Ayuba Gongu, verified the signatures of the legislators who signed the impeachment.
Gagdi was immediately replaced by Sale Yipmong, from Dengi constituency, southern Plateau State.