1In hot oil, add mustard seeds.
2Once it's popped, add onion, green chilly,and ginger. Sauté.
3In the mean while mix the all the spices (powder) together in little bit of water.
4Add this to the sautéd onion. Let it cook in low heat until the raw smell is gone.
5Now, add tomatoes and curry leaves.
6Cook until it's blended really.
7Once it's blended well add the strained chick peas along with some water and coriander leaves.
8It won't take that long as the chick peas is already cooked.