Soak moong dal for about 4 hours . Then wash moong dal and drain all the water . Blend the dal with green chill and ginger . Adding water slowly as we want dosa consistency. So make smooth batter by adding water slowly .
Add curd into the dal . Mix the salt and red chllli powder , cumin seeds . Keep batter aside .
Meanwhile take a blender put all ingredients of chutney and process well . Green chutney is ready .
Now take nonstick pan and keep medium flame , grease it with oil . sprinkle few drops of water on it . Pour 1/4 cup of the batter on the tawa and spread evenly with the back of spoon .
Starting from the centre and spiral outwards for evenly spread .
When the dosa begins dry or cook from one side , flip the dosa by using flat spatula .when cook another side again flip it and apply green chutney all over the dosa . And fold it like parcel .
Cut dosa into small bites and serve hot .