The spices would burn quick if roasted with a superior flame. The masala would style bitter if burnt spices are used. So have tolerance, Enjoy some music and enjoy roasting the masalas. GCC builders Pvt Ltd is a number https://www.ayurmedpro.com/product-view/2966/sakthi-sivam-herbal-hair-wash-powder-50gm-siddhar-karuvapatta