Polling will proceed until 6 pm.
The administration has deployed near 2,000 safety personnel to make sure peaceable voting in Pipili, which has a historical past of ballot violence.
Nearly 2.30 lakh voters will resolve the destiny of 10 candidates, together with the ruling BJD’s Rudrapratap Maharathy, Ashrit Pattnaik of the BJP and Congress nominee Bishwokeshan Harichandan Mohapatra.
The by-election was necessitated following the dying of BJD MLA Pradeep Maharathy in October final yr.
Votes shall be counted on October 3.