preparation:

Heat 2 tbsp of gingelly oil, add desired vathal, vegetables, fry well.
Add required amount of Aachi vathakulambu masala and 2 ½ cups (400ml) of water and 100ml of tamarind juice, boil until thick.
Option 1: Fry few garlic, small onion & finely cut tomatoes along with vathal and prepare as above.
Option 2:Instead of vathal fry cauliflower/ drumstick/ mushroom/ ladies finger (200 gms) in oil.
Optional: Along with the fried vegetables add 1 ground tomato with little coconut.
Finally add required amount of Aachi vathakulambu masala at the end before removing from fire.