Wash and soak dal in about 3 cups of water for four hours. Grind dal coarsely using very little water.Add all the ingredients to the dal batter,eno,salt,hing.

 beat the batter for 2-3 minutes this will make the batter light. batter should be soft. If batter is too thick Vadas will be hard.

Heat the oil in a frying pan on medium high heat. The frying pan should have about 1 inch of oil. To check if the oil is ready, put one drop of batter in oil. The batter should sizzle and come up but not change colour right away. If oil is very hot vadas will not cook through and will not be crispy.

Place about 1 tablespoon of batter into the oil. Fry the vada in small batches. Fry vadas until golden-brown all around. Moong Dal Vada should be crispy from outside and should be soft inside.