add urad dal, cumin seeds, coriander seeds, green chili pieces, tamarind and cook until the chilies turn into olive green color and transfer them into a plate.
in the same pan, add 3 tbsp of oil again and add green tomato pieces
fry tomatoes until they become tender and soft.
add pudina/mint leaves and saute for a minute or until the leaves shrink.
put all the fried ingredients, salt, garlic cloves in a grinder and make into a coarse chutney.