TheTata GenX Nano is developed from Tata Nano with an open-able rear door that swings upward to provide access to what? 
Tata GenX Nano: Tata GenX Nano (a.k.a. Nano GenX and Nano GenX AMT) is a city car manufactured by Tata Motors. Hatchback: A hatchback is a car body configuration with a rear door that swings upward to provide access to a cargo area.
i don't know