Heat oil in pan. Put half onion cook till it's brown in colour. Add chopped tomatoes, coriander powder, red chilli powder, garam masala powder, haldi powder and salt. Cook till tomatoes become soft.
Soak soya chunks in hot water for 20 minutes squeeze and wash again add them in masala and cook then add water and cook till soft then in another pot cook rice till 3/4 done.
Fry the rest onion. Then make layer of cooked soya chunks then a layer of cooked rice on top spread it, then add the smoothly beaten dahi, coriander leaves. Cook on low fire for 10 minutes. Biryani is ready. Serve with raita or dahi or papad.
