Cut tofu into cubes.
Sprinkle red chilly powder, garam masala and salt.
Add curd and mix well until all the spices have coated the tofu.
If they are dry add some more curd.
Cover and refrigerate for an hour.
Heat oil and deep fry the tofu pieces in batches until they are golden.
To serve, transfer the fried tofu to a serving plate, sprinkle generous amount of chaat masala and coriander leaves.
Serve along with onion rings.