It is very early to say whether electric cars will be successful in India. Electic cars are at a very nascent stage and require further investment in infrastrucuture building in terms charging points available etc.
Indian public is very price sensitive, the price per km of electric cars is around 0.5 to 1 rupee which gives real value for money. If the electric cars can priced accurately then definitely it can be a hit in the market.
There was one an extensive plan to revamp the rickshaws in mumbai and delhi with electric car-type autos. they were quite stylish and comfortable too and prototypes were tested. but no one knows what happened to that project. It should be done as it would easy the environmental tension for metros