Add the red chilies, ginger, garlic, coriander seeds, cumin, peppercorns, cashew, turmeric powder, and ¼ cup water, and blend it to a thick, smooth paste.
1 inch Ginger, 10 to 12 Garlic cloves, 2 tbsp Coriander seeds, 1 tsp Cumin seeds, 1 tsp Black peppercorn, 5 to 6 Cashews, ¼ tsp Turmeric powder, ¼ to ½ cup Water