First make a batter for the dhokla for this in a mixing bowl add besan then add all the dry ingredients except baking soda then slowly add water to make a thick batter mix it in one direction for 5 minutes so that there should be no lumps keep this batter rest for 15

In the meanwhile make a pesto so for this in a grinder take garlic pine nuts Parmesan cheese oliv oil into a coarseley ground mixture then add salt mix it,now heat a steamer grease the plate add the baking soda to the half of the mixture the pour the batter into plate

Cover it and cook it for few minutes then open the lid spread the pesto mixture then again pour the half of the batter now cover it cook it until done now heat a pan add oil,mustard seeds,green chilly,sugar,lemon juice now pour this mixture on the dhokla then cut them into pieces serve it with tamarind date chutney