Hyderabadi Lamb Biryani

Ingredients :

2 lbs lamb
8 tbsp plain yoghurt
4 tsp salt
6 tsp meat masala powder
3 tsp red chilli powder
2 tsp yellow turmeric powder
¼ cup shredded coconut
4 green chillies
2 tbsp butter
3 bay leaves
1 cinamon stick
10 cardamom pods
10 cloves
10 balls of peppercorn
2 onions
1 cup vegetable oil
3 lemons
4 cups rice
2 bunches cilantro
2 bunches mint leaves
1 tsp saffron
dough (flour + water)