Arabic Hareesa or Jareesh

Name: Arabic Hareesa or Jareesh
Ingredients: 1 kg Lamb Bone-in; 2 cups Broken Wheat; 1/2 cup Barley; 2-3 Green Chillies whole; 2 tbsp Ginger garlic paste; 1 tsp Black Pepper powder; 1 tsp Red Chilli powder; 1/2 tsp Turmeric powder; 1 tsp Cumin powder; 4-5 large Onions thinly sliced; 1 tsp Garam Masala; 1 cup Curd; 1 small bunch chopped Coriander Leaves; 1 small bunch choppped Mint Leaves; 5-6 tbsp Ghee or Butter; WHOLE SPICES-; 10-12 Black Peppercorns; 3-4 Green Cardamoms; 7-8 Cloves; 2-3 small Cinnamon sticks; 2 tbsp Salt or to taste