1, Wash and soak the basmati rice in a bowl of water for 20 minutes .Soak the saffron in 2 tbsp of warm water or in warm milk for 5 minutes. Now dice the monkfish into medium size pieces and wash it in a bowl of water by adding half a tsp of turmeric powder, pinch of salt so you can remove the strong smell of the fish by washing this way .keep it on side.
Now start caramelising the onions by adding 2 tbsp of oil into a frying pan with medium flame once the oil been heated add in onions and half a tsp of salt mix well put a lid on for 10 minutes take the lid off mix well until onions turn into golden in colour switch of the flame.
2, Dice the onions into thin long pieces ,chop the garlic or grate into small chop the mint into small pieces ,chop the coriander into small pieces. green chillies sliced into thin pieces ,fresh ginger into thin long slices.
3, Keep the cucumber grated and squeezed all the water .Dice the red onion into small pieces .chop the coriander into small pieces. chop the tomato into small pieces keep all ready to make raita.
4, Now we will start marinating the monkfish by adding 2 tsp ginger and garlic paste ,1 tsp salt ,1 tsp garam masala powder ,1 tsp coriander powder, 2 tsp biryani few mint leaves, few coriander leaves, yogurt, green chillies,1 tsp oil squeeze one lime, add one to two tbsp of  caramelised onions mix all together well and keep it to marinate for 10 to 15 minutes.
5, Take a deep pan heat 8 to 9 cups of water to boil with medium flame for 10 to 15 minutes by adding  cumin seeds, one bay leaf, one tsp salt, squeeze half a lime,0ne green cardamom, one tsp oil wait for water to boil. Once the water started boiling now add soaking basmati rice into the boiling water keeping the flame in medium to high .We only need to cook rice half a through because it will cook again fully with the fish after we layered the dish. Check the rice is just cooked by checking with your fingers when you press the rice grain it should you need still feel the grain it may take 8 to 10 minutes and then switch off .
5, Now take a deep sauce pan add in  5 tbsp of oil in medium flame once the oil been heated add in Cashew nuts, bay leaf's, green cardamom, cinnamon stick, big black cardamom, few onions, few mint leaf's, few coriander leaf's, mix well now add marinated monkfish and cook for 6 to 8 minutes and remove half pieces into a plate with switch of the flame .
6, Now we will start layering the dish in the same pan take the half cooked rice without water that just been cooked sprinkle on top of fish that's in the bottom of pan now add few ginger pieces, few finely chopped mint , few finely chopped coriander ,few caramelised onions ,few drops of ghee (optional)few drops of saffron soaked in milk or water .
7,Now we are repeating the final second layer by adding the cooked fish and sprinkle the rice again without water. Now add ginger pieces, few mint leaves, few coriander leaves, caramelised onions, drops of ghee, drops of saffron soaked in milk or warm water .
8, Now keep the pan back on medium flame for 20 minutes and 10 minutes in low flame by sealing the pan lid with foil and let it cooked and after 30 minutes switch of the flame and let it rest for 5 to 8 minutes without opening the lid .
9,Now make the raita by mixing finely chopped tomatoes, finely chopped shallots, grated cucumber and squeeze the water ,yogurt ,half a tsp salt, half a tsp black pepper, half tsp of garam masala powder and mix all well and garnish with few chopped coriander leaves your tasty healthy yogurt raita is ready to serve .
10,Now you can open the lid of your biryani and enjoy the wow smell of authentic homemade Hyderabadi monkfish biryani is simply divine to have with your lovely family and friends to enjoy at your home sweet home .