Special Hyderabadi DUM Biriyani is a form of BIRYANI from Hyderabad, India. Hyderabadi biryani is prepared with vegetables or Meat marinated with spices overnight and then soaked in homemade hung curd before cooking. The vegetables or Meat is sandwiched between layers of fragrant long-grained basmati rice, and slow cooked on DUM (steaming over coals), after sealing the HANDI (vessel) with KACHCHA dough.