For Chciken dum biriyani, firstly fry the thinly chopped onion in hot oil and fry till golden brown and take it out and set aside
For the special biriyani masala take 1 big Cinnamon, 2 Bay leave, 1 tsp jeera/cumin, 1 tsp fennel/sanuf/sombu, 1/2 mace/javitri, 1 tsp pepper corns, 4 cloves, 2cardamom/elachi, 1 Star aniseed and add in blender jar
Blend the spices together to powder and set aside
In a large mixing bowl take cleaned chicken pieces and add the prepared 3 tsp biriyani masala, 2tsp chilli powder, 1 tsp coriander powder, turmeric, 1 tbsp ginger garlic paste, 1/4 cup curd and salt and mix well with chicken using hands
Further add mint/pudina leaves, coriander leaves, ghee and oil mix these well using hands
Now add the fried onions and again mix with chicken
Now cover the bowl and set in fridge for 2 to 8 hours ( I marinated it on previous day)
Take out the marinated chicken 30 minutes before cooking
Now in a large pan heat the water and add small cinnamon, 1 cardamom, 1 bay leaf, 1 star aniseed,1/2 tsp jeera ,few coriander leaves,few mint/pudina leaves, salt and 1 tsp ghee
Once it comes rolling boil add the Soaked basmati rice
Once the rice is half cooked (90 percent rice should be cooked) drain it and keep aside
Now take Biriyani pan heat some oil and add the marinated Chicken pieces and cook for 20 minutes till half cooked
Now take the extra gravy from the chicken
Now start layering the rice
Add some fried onions on top
Now add the extra gravy on top
Further add remaining rice
Add fried onions and pudhina/mint leaves on top
Top it with some ghee
Finally sprinkle the saffron milk all over
Now cover the biriyani pot with foil paper or you can cover the sides with chappati dough
Close it with a lid and switch on the flame and place the pot cook in low flame for 10 minutes
After 10 minutes place a tawa at bottom and place the biriyani pot and cook in low medium for 20 minutes
Now switch of the flame leave it for 10 minutes and open the lid and foil paper the perfect chicken Biriyani| Hyderabadi Chicken dum biriyani is ready
Serve hot with raita or curry and enjoy