Kolkata: A man identified as Kushal Singh (37) was found dead inside a water tank at a warehouse on Belilious Road in Howrah on Monday morning. A source said Singh worked as a driver in Howrah. He belongs to Arrah district in Bihar and lived on Foreshore Road at Shibpur in Howrah. He also worked at a warehouse of a food wholesaler. According to a labourer of the warehouse, Singh came to work on Monday around 9 am. When he entered the warehouse, he saw water overflowing from the tank located on warehouse premises. Also Read – Bose & Gandhi: More similar than apart, says Sugata BoseHe went to check why the water was overflowing. Despite repeated attempts, Singh could not solve problem from outside and got into the 4ft deep water tank. When he went inside the tank, an official heard him calling for help. The official rushed and tried to pull him out but failed. Other labourers also tried but could not help him. Howrah police station and fire brigade were informed immediately. Later, Singh was pulled out in an unconscious state and was admitted to the Howrah District Hospital where doctors declared him brought dead. Sleuths are checking if Singh was pushed into the tank when he was standing near it. The police are checking if he was forced to get inside the tank. An unnatural death case has been lodged in this connection at the Howrah police station.