Vegetable Pulao

Oil – 5tbsp
Black cardamom – 1no
Peppercorn – 7-8nos
Cumin – 2tsp
Green chilli slit – 3-4nos
Onion sliced – 1cup
Potato diced – 1cup
Carrot diced – ½ cup
Beans diced – ½ cup
Salt – to taste
Water – 4cups
Basmati rice – 2cups
Peas – ½ cup