Congress candidate Nilanshu Chaturvedi was leading by 6,000 votes over his nearest BJP rival Shankar Dayal Tripathi at the end of the third round of counting in Chitrakoot Assembly bypoll in Madhya Pradesh.
The counting of votes polled in the November 9 by- election began at around 8 am amid tight security.
Chaturvedi was leading by 6,000 votes over Tripathi at the end of the third round of counting, an election official said.
Singh had won the assembly constituency, bordering Uttar Pradesh, in the 1998, 2003 and 2013 elections.
However, he had lost the seat to BJP's Surendra Singh Gaharwar in the 2008 polls.
Though 12 candidates contested the by-election, the main fight was between Chaturvedi and Tripathi.
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