Do I really need to say anything about this ?? It's 'chaat' !! You can get several types of chaat in India from street vendors. They all are very very tasty. One of the famous chaat in Kolkata is 'doi phuchka'. They fill the phuchkas with spicy potato filling, thick curd mixture, tamarind chutney and sprinkle some chopped onion and coriander leaves .. ssluurrpp ... !!! Now I am staying in USA, so I had to make these kind of 'chaat's at home. But believe me, after making this, you will be finding excuses to make them again and again.