In a pressure cooker add the mutton with some water ginger garlic and red chilli paste and allow this to cook till tender approx 5 to 6 whistles .
In the meantime grind the spices set aside .
In a pot add some oil / ghee (Clarified butter) as well as all the whole spices and on medium heat allow for this to braise approx 1 minute add the cooked mutton with the water from the pressure cooker as well as the grinded spice and cook for 5 minutes also add in the remaining dry spices . Now add in the yogurt , tomato paste and vinegar and 2 cups water and on low heat allow for the flavors to infuse add the chopped dhania (coriander) and mix well .
Before serving add some oil in a pan fry onions with 1 teaspoon sugar , caramelize it and place ontop for garnish .