Congress candidate, V Naveen Yadav, was leading in the by-election to Jubilee Hills assembly constituency by almost 2,995 votes after the completion of second round of counting of votes on Friday.
Yadav secured 17,874 votes, while his BRS rival, Maganti Sunitha, got 14,879 votes, as per official data.
BJP’s Lankala Deepak Reddy was behind, having secured 3,475 votes.
Amid tight security, the counting of votes, crucial for the ruling Congress and also BRS, commenced at 8 am, with postal ballots counted first.
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The counting process would be completed in 10 rounds.
The officials said 48.49 per cent of votes were cast on November 11 when the polling was held. The total number of eligible voters was 4.01 lakh, while 1.94 lakh voters exercised their franchise.
The bypoll was necessitated by the death of BRS MLA Maganti Gopinath in June this year.