Police Constable Jaidev Gharai was found dead on a balcony of the MLA hostel's 419 room on the ground floor this morning.
The deceased (34), hailing from Purulia district police, was the bodyguard of TMC MLA Rajiv Lochan Soren of Burdwan constituency.
The homicide wing of Lalbazar was investigating the unnatural death, sources said.
(With UNI inputs)