Question: TheTata GenX Nano is developed from Tata Nano with an open-able rear door that swings upward to provide access to what? 
Sentence (from "Indovation"): Indovation (an abbreviation of ‘Indian innovation’) is the process by which innovations are developed in India to serve a large number of people affordably and sustainably in response to conditions of scarcity and diversity.
Relevant evidence: No