There are 3 steps for preparation:
I. Chicken Mix:-
1)Make heat of a Kadai and apply 4 tea sp vanaspati ghee into that.
Fry 3/4th of Onion in the applied ghee till it get brown (add some sort of salt to get it cook faster).
Add the mix of grinded Garlic, Ginger and Green Chilli and let it cook moderatly.
Add Tomotos and mix it well.
Then put chicken into that followed by 1 tea spoon garam Masala.
Add curd into that followed by Turmeric powder, Chilli powder, Coriander powder and Pepper powder, then mix it very well with using a small quantity of water to make paste of them.
Add lemon juice followed by half cup of water and add required quantity of salt.
Cook it for 5-10 minutes in low flame while closing the kadai with a lid and dead flame.
II. Rice Mix:-
Make heat of another Kadai and apply 2 tea sp vanaspati ghee into that.
Fry 1/4th of Onion in the applied ghee till it get brown (add some sort of salt to get it cook faster).
Add Cashew nut and raisine and cook it till get brown.
Add well washed Basmati Rice into that followed by half tea spoon of Garam Masala and mix it well.
Add 3 1/2 cups of water and add required quantity of salt and let it boil. Then reduce the flame, close it and cook till the water get absorbed
III. Mixing up and Dum:-
1)Take Chicken Mix Kadai into the low flame and pour the cooked rice on that.
Add chopped coriander leaves and apply cow ghee over that and make flat on the top
Close the Kadai and cook for 10 minutes time.
:-Your biriyani is absolutely ready.....