According to family members, Israr went missing on July 17 when he had gone to work with two youths -- Arun Kumar and Chotu.
Israr's body was exhumed from the grave last evening after his family got to know that police had buried the body after postmortem as no one came to claim it and apporached the authorities, Santosh Mishra, SP (city) said.
The body was buried by the family members after a second postmortem was conducted on orders of the District Magistrate, the SP said, adding a case under relevant sections of Indian Penal Code (IPC) has been registered against the two youths who have been absconding since.