Cook the rice with salt, lemon juice and little oil until 3/4th done.
strain the water and keep it ready
Heat oil in cooker and drop in cinnamon, cloves, cardamom, sliced onions and ginger garlic paste.
Saute until onions turn slightly brown.
add the curd and red chilli paste and saute again for a minute
Put in chopped tomatoes and saute until it gets mushy.
Now add mutton, salt required for the mutton and water.
cook for 4 whistles.
Open and reserve half of the masala for layering
put in half of the cooked rice and layer again with the reserved masala.
top it with remaining rice and dum cook with heavy weight on top and placed on top of a iron pan for 15-20 min