Dhamnagar is a town and a notified area committee in Bhadrak district in the state of Odisha, India.

Current MLA from Dhamanagar Assembly Constituency is Bishnu Sethi of BJP, who won the seat in State elections of 2019, defeating Rajendra Kumar Das, of BJD.

Previous MLAs from this seat were Muktikanta Mandal and Rajendra Das, both from BJD and won the seat in 2014 and 2009 respectively, Manmohan Samal who won this seat in 2004 as BJP and BJD coalition candidate, Manas Ranjan Mallick who won in 2000 from the then BJP state president Manmohan Samal.

Manmohan came into controversy in 2006 March 26 by sacrificing an animal in front of Maa Rakshyakali of Rameswarpur.

Another controversy made a black spot in his political career is a relationship with a woman.