The polling for by-elections has ended off in Sargodha NA-68, Gujranwala NA-100 and Lodhran NA-155 constituencies of National Assembly in Punjab on early Thursday, report said. Police together with Rangers' parties have been deployed in three districts owing to maintenance of law and order situation during polling. Pakistan People's Party (PPP) candidate Mazhar Ahmad Qureshi and Pakistan Muslim League-Nawaz (PML-N) nominee Shafqat Hayat Baloch are coming face to face in Sargodha, contesting elections on another seat of the National Assembly vacated over the issue of a fake education degree.