Garnish: chopped coriander leaves, green chilies, and a pinch of garam masala.
Heat oil and fry onions until golden.
Add whole garam masala and garlic paste; sauté for 1 minute.
Add mutton and cook until color changes.
Mix in blended tomatoes and spices.
Add 1½ cups water and pressure cook for 15 minutes.
Add lauki and 1 cup more water, then pressure cook again for 3 minutes.
Garnish and serve hot with chapati or rice.