Add garlic, onion and tomatoes into the mixer jar and crush them to a smooth paste. keep aside.
making curry
first, heat oil in a pressure cooker and add cumin. when they crackle, add crushed tomato paste.
Add turmeric powder and cook for 2 min.
Add red chili powder, coriander powder, salt to taste, dry mango powder and kasoori methi.
mix well and cook gravy until thickens( approx 10 mins on medium flame).
Add fresh green peas and diced potatoes.Also add water and pressure cook it for 4 whistles on medium flame.
garnish with coriander and serve hot.
Video
Notes
you can completely avoid kasoori methi and coriander powder.
you can squeeze lemon on the top according to your taste.
after 4 whistles, Don't forget to check your potaotes are cooked enough. If they are not cooked then Add 1/2 cup water and pressure cook them again for 2 to 3 whistles.