In a pan, thoroughly mix 1 cup gram flour and 1 cup of water. Mix well so that it does not form lumps.Mix salt and sugar to the batter. Once it is done, add mustard seeds, and finely chopped green chili and mix well.Add 1 tbsp of vegetable oil, grated ginger (or crushed to paste) and ¼ tsp citric acid to the batter.Preheat oven for 5 minutes on 250 degree C and grease a microwave safe glass cookware with a flat bottom.Mix 1 /4 tsp of baking soda to 1 tsp of water and mix well with the batter.Add 1 tsp Eno/ fruit salt to the batter and mix it quickly and immediately transfer it to the greased bowl.Place the bowl in the preheated microwave and microwave for 6 to 7 minutes at 250 degree C temperature.Check with knife, if batter comes along the knife then microwave for 1 more minute. Do not overcook.Let it cool down to room temperature.In the meanwhile, take a small pan, heat oil and fry green chilies (slit lengthwise from the middle).Place the fried chilies on a tissue paper.In the same oil, add mustard seeds, after they start crackling lower the flame and add sesame seeds and fry for half a minute.Add curry leaves, fry them and add 1 glass/ 330ml water to the pan.Add 2 tsp sugar to the tempering and bring it to boil.Keep tempering aside till its temperature rolls down to room temperature.Pour the tempering over the dhokla and garnish with grated coconut.Enjoy yummy and delicious khaman dhokla with fried green chili.