India, April 15 -- Two sisters aged four and five died of suffocation inside a car on Monday in Telangana's Rangareddy district after got inside the vehicle and went unnoticed for an hour at their grandparents' house.

The incident took place in Damaragiri village in the Chevella police station limits of the Rangareddy district in Telangana, according to news agency ANI.

According to police, the parents of the two deceased children - Thanu Sri (4) and Abhinetri (5) - had come to their grandparents' house to discuss marriage arrangements of their relatives.

During the discussion in the house, Thanu Sri and Abhinetri went outside, opened the car door and sat inside the vehicle unnoticed.

"Children went outside and opened the car door and...