In Gorakhpur, the former parliamentary constituency of Chief Minister Yogi Adityanath, the SP's Pravin Nishad managed 44,979 votes against BJP's Upendra Dutt Shukla's 43,456 votes around 11 a.m.
After counting picked up pace at around 10 a.m., Kaushlendra Singh Patel lost his initial lead to Nagendra Patel by over 1,500 votes.
After three rounds, Nagendra Patel was at 7,600 votes against Kaushlendra Singh Patel's 6,163 votes.
Poor voting percentage in the by polls and the coming together of arch rivals SP-Bahujan Samaj Party has made the elections close contests.
(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)