In a bowl, mix together besan, turmeric powder, ginger paste, green chilli paste, red chilli powder, coriander powder, cumin powder, hing, rice flour, salt and curds. Add enough water to make a thick batter.
Whisk well to remove lumps if any.
Add finely chopped coriander leaves, saute well.
Next, pour the batter into a microwave bowl.
Microwave for 2 to 3 mins in interval of a minute until it firms up.
Allow to cool and slice it into 2 inch squares and keep it ready.
Heat a kadai and roast the sesame seeds, then add the cubed vadi and toss well.
Serve hot with green chutney.