Roast, all the ingredients of masala till aroma arises and grind to a powder. (roast without oil).
Heat oil in a pan. Add the onion paste to the hot oil and sauté for a minute. Add GGG paste. When aroma arises add the slit green chilly. Add masala and turmeric powder. Sauté for a minute. Add the chickpeas and sauté again for 2-3 minutes. Lastly add tomato puree and salt (add little water if required). Garnish with coriander.
*To thicken the gravy, mashed chickpeas can be added.