Boil potatoes , all vegetables & mash them.
Heat butter, add chopped onion & ginger garlic paste.Saute it for a while.
Add tomato_ chilli paste.
Add all boiled & mashed vegetables & potatoes.Mix it well.
Add all spices,salt & some hot water.Cover it & cook it well.
After 5 to 10 mins open the lid, add coriander leaves & lemon juice.Switch off the flame.Its ready now.
Fry some pav with butter & serve it hot with bhaji & extra butter.