Steps
1. Soak rice overnight. Wash, then drain.
2. Clean, wash, and cut mutton into small pieces. Boil water, add mutton. When the water boils again, add rice, onions, peppercorns, and cloves.
3. Again bring to a boil, then simmer slowly for 2 hours till meat and rice are very well cooked. Add salt and serve very hot.

Source
International Rice Institute (IRRI) & International Women's Organization (SUHAY), VIRMANI, Inderjeet (ED)(1991), Home Chefs of the World - Rice and Rice-based Recipes, ISBN 971-22-0023-X, Manila, Philippines