Method:

Mix all ingredients mentioned under dhokla except Eno. Keep it aside for 10 minutes.
Keep 2 cups of water in a deep kadhai and put a stand in it. Cover it and let it boil for 5 minutes. Now add Eno in a dhokla batter and pour 1 tsp of lemon juice over it. Mix it well.

Pour Dhokla batter into greased pan and steam for 15-20 minutes. Check with a toothpick if it cum out clean then it’s done. Allow dhokla to cool completely.

For Tempering: Heat oil in a small pan, first add the mustard seeds. Let them papaya first. Now add chopped chilies and then white sesame seeds and curry leaves.
In bowl mix water, sugar and add this mixture to tempering and boil for a minute.
Then switch off the flame and add lemon juice. Mix it well.
Then pour this hot mixture over steamed besan dhokla and cut into the desired shape.