1. Cut mutton into neat pieces .Add all the first lot of ingredients and boil till meat is tender .
2. Roast and grind red chillies .Grind coriander ,fennel,cumin and peppercorns .
3. Roast bengal gram and grind well.
4. Mix all the ingredients with the coconut milk and turmeric .
5. Add to mulligatawny with lime juice and salt .
6. Fry the onions and curry leaves in fat . Add to mulligatawny ,stir well and remove from fire .