Dum Choru Rice

Name: Dum Choru/ Rice
Ingredients: * 1 tbsp oil; * 3 meduim onion, thinly sliced; * 1 tbsp ginger garlic paste; * 1/2 tsp turmeric powder; * 1/2 tsp red chilli powder; * 1/4 tsp fennel powder; * 1 meduim tomato, chopped; * salt to taste; * for rice:; * 3 cardamom; * 1 cinnamon stick; * 1 bay leaf; * 10 peppercorn; * 3 clove; * 1 star anise; * 2 1/2 cup basmati rice; * for dum:; * 1 tsp ghee; * 10 cashewnut; * 15-20 raisin; * 3 tbsp chopped coriander leaf