Among those on ground is the Governor of Bauchi State, Bala Mohammed, who came into the state on Wednesday night.
The essential political race, which was prior scheduled for June 19 and 20, had been moved to June 23 and later rescheduled for June 25.
A sum of 2,229 representatives are relied upon to choose who develops as the up-and-comer of the state governorship political decision planned for September 19.
PDP National Publicity Secretary, Kola Ologbondiyan, said the gathering followed fair treatment in choosing qualified representatives for vote the most reasonable applicant among the variety of qualified wannabes.
Four people at first acquired the statement of intrigue and designation frames and were screened and cleared to challenge.