Before delimitation, the legislative assembly segments which constituted this parliamentary constituency were: Padmapur, Melchhamunda, Bijepur, Bhatli, Bargarh, Sambalpur and Rairakhol.

[3] In 2024 election, Bharatiya Janata Party candidate Dharmendra Pradhan defeated Biju Janata Dal candidate Pranab Prakash Das by a margin of 1,19,836 votes.

In 2019 election, Bharatiya Janata Party candidate Nitesh Ganga Deb defeated Biju Janata Dal candidate Nalini Kanta Pradhan by a margin of 9,162 votes.

In 2014 election, Biju Janata Dal candidate Nagendra Kumar Pradhan defeated Bharatiya Janata Party candidate Suresh Pujari by a margin of 30,576 votes.

[4] In 2009 election, Indian National Congress candidate Amarnath Pradhan defeated Biju Janata Dal candidate Rohit Pujari by a margin of 14,974 votes.