Mix yogurt, red chili powder, turmeric powder, white pepper powder, salt, red chilies, coriander seeds, cumin seeds, carom seeds, green chilies, ginger paste, garlic paste, lemon juice and little color to make the marinade.
Marinate the liver and keep in the chiller for about 20 minutes.
Skewer the meat and cook on charcoal grill.
When it is half done, wrap the fat on the skewered meat and again cook on charcoal grill.