Cook the veggies in a pan with 1/2 cup of water and close the lid
Heat oil in a kadai. Add in onions, ginger, garlic, green chilli in it and sauté for a min.
Add turmeric powder and sauté for 30 sec.
Add tomatoes and sauté for a couple of minutes
Now add the cooked vegetables along with the water and mix well.
Increase the heat and cook for about 10 mins.
This will evaporate the water, allowing the vegetables to absorb more flavour and lose their raw taste.
Allow this to cool a bit, transfer the vegetables in a mixer and add coriander leaves,tarmarind,salt now puree this
You can make it little chunky or do it very smooth.
Transfer the chutney to a bowl.
Now make tempering by heating oil and crackling mustard, urad dal, cumin, dry chilli and asafoetida.
Once it is crackled, pour it over the chutney and mix well