India's most famous seasoning is Garam masala. It's actually a combination of dried spices including pepper, cinnamon, nutmeg, cardamom, cumin, coriander, tej patta, pepper, and some others. It is the used in many dishes, including Chana Masala. Add one to two teaspoons while your onions are frying, or while your sauce is simmering. Sometimes it's used as Garnish.