Wash and soak green gram, moongdal and rice for 3-4 hours or overnight.

Drain the water and add it in a mixer grinder.

Add ginger, cumin seeds, greenchillies, coriander leaves and salt.

Grind it into a smooth paste.

Add required water for the consistency of the dosa batter.

Heat a tawa and pour a laddle of batter and spread in a circular way evenly.

Drizzle some oil and let it cook for a minute covered with a lid.

Sprinkle some finely chopped onions and coriander leaves.