Is the bitcoin user base wide enough in India to justify the investment that is required to start accepting bitcoins?
It probably would be nice publicity for a company. Flipkart probably doesn't need that publicity.
Flipkart wants all types of publicity. They are even letting their site go down for the last 4-5days to to convince others there's somuch demand for a particular phone which has been launched. I am not convinced that a 500M funded company can't hold that moderate traffic. Sorry but they will have to prove if it is otherwise.
Now, on the other hand, if they want to stay geekish and keep their smart-young customer base interested, they can support BTC and make a real change. Geekdom isn't just mean arranging a few hacknights/n.