India, Feb. 12 -- A day after a 32-year-old man's body was found inside an open manhole in Delhi's Begampur area, the Delhi Police said they found that the manhole had been open for days and lodged a case against unknown persons on Wednesday.

Police identified the deceased as Birju Kumar Rai, a daily wage labourer, who was last seen with his friends on Monday night. Police said he fell into the sewer on vacant Delhi Development Authority (DDA) land in Rohini Sector 32. There were no lights in the area and Rai was drunk. One of his friends, who had consumed liquor with him, witnessed the incident but was "too intoxicated" to call anyone for help.

Rajeev Ranjan, deputy commissioner of police (DCP) (Rohini) said, "We received a call about ...