Toast the whole coriander, cumin, mustard, fennel, peppercorns, cloves, and red chilies in a dry skillet over medium heat for 2 minutes.
Allow the toasted spices to fully cool, then grind into a fine powder in a spice grinder.
Mix the ground toasted spices together with the cinnamon, turmeric, ginger, garlic powder, cardamom, and cayenne.
Store in an airtight container. Enjoy in your favorite Indian dishes!