1.wash the chicken pieces well.make light cuts with a sharp knife on each piece .pat the pieces dry and keep aside .
2.mix all the ground spices,salt ,yoghurt,dry spices, tomatoes pulp ,mustard oil and clarified butter.
3.add the chicken and marinate for an hour .
4.preheat a gas tandoor or a barbecue rack with coal underneath.roast the chicken pieces, turning frequently and basting with left over marinade.
5.when done, the chicken should dry but avoid scorching it .serve hot