Take all the vegs, in a cooker, add little water and pressure cook it except capsicum.
Once cooked mash them well, if the water is more remove it before mashing them.

In a Pan add oil and butter, chopped onion and Saute.add ginger garlic paste.add capsicum and Saute well.
Add tomato puree along with Pav Bhaji masala.

Add little bedki chilli powder for red col.
Cook till oil leaves, now add the mashed vegs. And cook on slow flame for 15-20 mins,
Add lemon juice.