In a bowl add gram flour,curd and water,mix well and make a smooth batter,the batter should be of thick consistency,add salt and set aside for 4 hour covered with a lid. Also add turmeric powder and mix well, keep the steamer or cooker ready on gas grease a baking dish(it should fit in the steamer or cooker).now in small bowl take a tsp,of soda bi carb or eno, 1 tsp Oil and mix well.

Add this to the batter and mix well,pour the batter into the greased pan and steam for 10-12 mins or till done.

Cool for sometime and cut into big cubes, heat little oil in a small pan and add mustard seeds and curry leaves allow to splutter, remove and pour it over dhoklaas,

Garnish the besan dhokla with Coriander leaves and slited green chillies,serve with hari chutney....