The voting started across the constituency at 8 am and around 27 per cent polling was recorded till 11 am, an official of the Election Commission (EC) said.
Congress candidate Nilanshu Chaturvedi, BJP's nominee Shankar Dayal Tripathi and 10 others are in fray for the byelection in the Assembly segment, which lies bordering Uttar Pradesh. The BSP has not fielded its candidate in the bypoll.
The by-election was necessitated following the death of Congress MLA Prem Singh (65) after a prolonged illness in May this year. He had won the Chitrakoot seat thrice -- in 1998, 2003 and 2013.
There are 1.98 lakh voters in the Chitrakoot Assembly constituency, an EC official earlier said.
Madhya Pradesh Chief Minister Shivraj Singh Chouhan, Uttar Pradesh Deputy Chief Minister Keshav Prasad Maurya and MP BJP chief Nandkumar Chouhan had campaigned for the party's candidate.
Besides, Congress chief whip in Lok Sabha Jyotiraditya Scindia, former Union Minister Kamal Nath, Leader of Opposition in MP Assembly Ajay Singh tried to drum up support for their party's nominee.