pressure cook vegetables along with turmeric powder, salt and enough water to 3-4 whistles. open and keep it aside.
heat oil and crackle cumin seeds and add green peas, capsicum/bellpeppers and onion.
saute until pink and add ginger garlic paste and fry until raw smell goes off
Now, add chopped tomatoes and fry until slightly mushy.
add cooked vegetables, turmeric powder, chilli powder, coriander powder , curd and mix well.
close and cook for 5 minutes.
meanwhile, grind coconut paste: coconut, khus khus, cashews and green chillies.
open and add the ground paste, garam masala, salt and mix well.
lastly add milk and finely chopped coriander leaves.
mix well and serve hot with roti.