Superintendent of Police (SP) Anil Sharma issued suspension orders of these policemen posted in Kalapipal Police Station near here, an official said.
Sanjeev Maron, Nirmal Tigga and Ramesh Chand Yadav - all ASIs - Head Constable Subhash Patel, Constables Anand Gurjar and Om Prakash Patel were placed under suspension on charge of dereliction of duty, said Shujalpur Sub-Divisional Officer of Police (SDOP) D K Jain.
A probe is also going on in the matter which is being conducted by Judicial Magistrate (First Class) Shivlal Kevat, he said.
Sunil Lodhi, a resident of Dhabla Dheer village, was found hanging from an end of a ventilator inside the lock up, police had said.