For masala: In a pan add oil+ghee , sliced onion saute till onion become slight brown then add gingergarlic paste ,greenchilli cook till raw smell goes .Puree the tomatoes and add to onion mix followed by redchilli powder ,turmericpowder, garammasala cook till oil is seperated then add mint leaves, corianderleaves , yoghurt , lemon juicemix it well then add fried chicken pieces and coat the chicken pieces with masala add little water to make gravy not much other wise it will become gravy type.sim this mix for 5 mins .