From Chow.com:

A few months back, the BBC reported that Delhi was going to get tough on street food, setting and enforcing sanitation standards apparently to spruce up for the 2010 Commonwealth Games.

But when I recently strolled Delhi’s famous Chandni Chowk neighborhood—where humans, dogs, and cows dodge cars, rickshaws, and mule carts—street food was as plentiful as ever. One gol gappa seller offered a small mountain of puri (crunchy little oval-shaped fried breads) piled high on a large metal plate, with pani (a watery mint chutney) in a dented metal vessel underneath. He placed the puri in a small banana-leaf bowl, deftly poked a hole in one, filled it with mashed potatoes and chickpeas, and ladled pani over it along with some tamarind chutney.

But in Chandni Chowk, most of the cooking is not street cooking; it takes place in storefronts and is brought to street stands to sell. Walking in the congested streets and narrow alleys is difficult enough; setting up a kitchen with cooking oil and gas tanks would be virtually impossible.

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