Since time immemorial, Indians have been bombarded with snacks-to-go by street vendors; fastfood is neither a modern phenomenon, nor a western innovation. But as increasing numbers of international players enter the domestic market, there are bitter lessons to learn about what local consumers will and will not welcome. just-food.com's Debasish Ganguly reports from India on the evolving sector and the challenges facing new entrants into the fastfood market.