Any biryani cooked with the method of dum cooking is a dum pukht biryani. It is made by making separate layers of the par-cooked rice and gravy. This entire assembly of the semi-cooked rice and gravy with the various toppings, garnishings are sealed tightly in a clay pot and then slow cooked on low heat. Authentically and traditionally a biryani is always slow cooked on dum. This cooking on dum gives the biriyani its uniqueness and originality. This is how the biryani has the beautiful medley of the aromas, flavors and tastes from the variety of ingredients added in it. This hyderabadi veg biryani recipe is also a vegetarian dum pukht biryani.