A driver, who was sleeping inside the car on Friday night, has died after car submerged in rainwater at the cellar of Sri Mayuri Residency in Jayanagar in Kukatpally. Gopi had dropped his owner at the apartment and slept inside the car. Due to heavy downpour throughout the night, rainwater had entered the cellar. Residents of the apartment found Gopi dead inside the car on Saturday morning. On receiving information, cops reached the spot and sent the body to the government hospital for post-mortem.