India, June 17 -- Three days after a seven-year-old boy drowned at a water park on Delhi's GT Karnal Road, the Delhi Police on Monday said they exhumed the body for an autopsy to ascertain cause of death and registered a case of causing death by negligence against "Just Chill Water Park".

The child, identified as Mohammad Asad, a resident of Nehru Vihar, had visited the park on Friday with his uncle and cousins. He drowned while swimming in one of the pools, but no police complaint was filed immediately. His family instead took him to a nursing home in Sonipat, Haryana, where he was declared dead. The body was then buried the same day.

Police said they received a complaint about the incident only on Saturday, following which a formal in...