In a small pot, heat Ghee or oil on a medium high heat, until shimmering. Add cumin seeds and let it sizzle. Add remaining spices and let it heat for 10 seconds. Pour the flavored Ghee or oil over plain Chaas. This type of Chaas is mostly served cold with Khichdi.
Recipe by Lovely Masala at http://www.lovelymasala.com/recipe-gujarati-chhas/