DetailsNavavita Rasm powder is used to prepare a South Indian delicacy called rasam. It is prepared with tamarind juice or tomato, pepper and other spices. It is eaten with rice or alone, as a soup. The rasam powder can also be added to curries, vegetable dishes, soups, or stews toward the end of cooking to impart a typical south Indian falvor to the dish. 100 gm.