Add 2 glass full of water in pressure cooker.

Add leftover vegetable and beetroot and coriander also in pressure cooker.

Cook it upto two to three whistles..

When pressure cools down open the cooker and let all the vegetables cool down

When all the vegetables cool down then strain it in a strainer..

Now add blended vegetables into strained out water (from strainer..)

Add black salt and roasted cumin powder (salt if required)

Boil it for 3-5 minute to make it thick as required..