Sieve gram flour & semolina. Add rest of the dry ingredients. Now add water and whisk it properly till right consistency is achieved. Let the batter rest for 20 minutes. Again whisk for 2 minutes. Now add eno salt to the batter and again mix it. Grease a tin with oil and pour this batter.
Take a pan. Add 1 glass water. Keep the tin inside the pan and cover it with lid. Steam for 20 minutes. Now unmould the dhokla.
Heat 1 tblsp oil in a pan. Add mustard seeds, cumin seeds, sesame seeds, curry leaves, slit green chillies. Let it splutter. Now add half cup water and heat it. Pour this over dhokla. Cut it into pieces.
Serve soft and spongy dhoklas with green chutney and tamarind chutney.