Police said that 30 year-old Sumar Sindhi tore up rugs and mat to make a rope, and hanged himself in the toilet.
Sumar, who worked as a load carrier, was a father of two children and hailed from Amarapur Pati.
His uncle, Suleiman Sindhi, said police had picked up Sumar earlier too, and last night he was summoned in connection with a theft case.
"He was beaten up by the police which resulted in his death," Suleiman alleged.
Patan Superintendent of Police Parixita Rathod said, "We have just received the post-mortem report. The report has said that he died of asphyxiation, caused by suffocation. The family has taken away his body for last rites.
