Mix tomato, yogurt, ginger, garlic, green chilies, red chili powder, turmeric powder, gram masala, biryani masala, coriander powder, cumin powder and salt together.
Coat the chicken pieces with the mixture and marinate for about 30 minutes
Heat oil in a pan and fry onion until golden brown.
Add the marinated chicken and fry about 2 minutes.
Put cup of water and cook about 20 minutes until chickens are cooked.
Wash rice and drain. In a pan mix rice, milk, tsp turmeric powder, salt and water.
Boil the rice until cooked.
Spread the rice over the meat, sprinkle fried cashew nuts.