It is a preparation made of black grams soaked (either lightly/overnight)in water and then sauted in mustard oil in a wok. All kinds of garam masala made as paste on a sil is used for flavouring and chana is also ground to form a paste used as thickener. This thickens the masala and makes gravy as per desire. After proper seasoning andbhunjana water is added to the mix for gravy as desired