Cumin powder is a powdered spice made by grinding cumin seeds. Indian dish is mostly prepared by adding tadka. The tadka is prepared by frying cumin seeds in the oil. Those who do not like whole seeds in their dish can also use cumin powder during the preparation of that dish. In a matter of seconds, the seeds start to pop and turn brown. This is the time when its flavour is infused in the oil.This ground spice is also used in making a blend of garam masala. The spice can be added to dishes that are to be cooked or are already cooked.