Naan is a bread made in a tandoor (hot furnace), while khaliya is a mixture of mutton or beef and various spices.

So the shahi bawarchis (royal cooks) dug a hot furnace and rolled out thousands of naan.

Meanwhile, qalia was prepared by slowly cooking either Beef or Mutton and adding number of local spices in the huge degh cauldron.

[3] The naan are prepared in an open clay oven, which is mounted in a hole in the ground.

The qalia is prepared in a big cauldron called degh, it has a top layer of oil.