Roast the cumin seeds and dry red chilli each and grind them alone into a fine powder. Chop the green chilli and coriander leaves.
Beat the yoghurt in a mixing bowl, add roasted cumin powder, roasted red chilli powder, chat masala, black salt, salt, chopped green chilli and coriander leaves into it. Mix all very well.
Then add boondi in it, mix it and serve it by garnishing it with some coriander leaves.
