Prepare dhokla steamer. Add 2 cups of water in the steamer and let it come to a boil. Grease 2x9 inch dhokla plates with some oil.
Mix all flours with yogurt, oil, ginger-green chilli paste and salt.
Add water and make a lump free battar.
Add eno to the battar and few drops of lemon juice on it to activate eno.
Mix it thoroughly. Pour the battar by dividing it equally into the dhokla plates.
Place dhokla plates in the steamer and let it steam for 12-15 minutes on medium-high flame.
Let it cool for 5-10 minutes. Cut dhoklas into 1 inch pieces.