Veggie subzi biryani

Name: Veggie subzi biryani
Ingredients: 400g basmati rice; 125ml sunflower oil; 4 large onions, sliced; small knob of fresh root ginger, finely grated to make 1 tsp; 1 garlic clove, crushed; 225g tomatoes, skinned and finely chopped; 1 tsp red chilli powder; 1 tsp ground turmeric; 1 cinnamon stick; 4 cardamom pods; 1 tsp cumin seeds; 1 tsp black peppercorns; 1 tsp cloves; 4 star anise; 2 bay leaves; 250g Greek yogurt; 250g potatoes, diced; 140g carrots, diced; 140g frozen peas; small bunch coriander, finely chopped