In a bowl mix gram flour, citric acid, salt, sugar and turmeric. Add water and make it into a smooth batter with medium thick consistency.
In a glass make add the fruit salt or baking powder. Add water to it and pour this into the dhokla mixture.
Grease the steaming tin with 2 drops of oil and por the mixture into it. Steam for about 15-20 minutes or till cooked.
In a pan, add oil, mustard seeds, curry leaves and red chillies. Let it splutter.
Pour the tadka over the prepared dhokla.
Cut into pieces and serve.
Steamed healthy dhokla made in minutes using besan with a colorful tempering.