Put one roti on warm griddle. Use a thick, kitchen towel to press. On low flame, press and roast, lightly moving it on griddle in a circular motion. When one side is light golden and specky, flip and repeat for other side. Repeat with all rotis. Khakhras are ready Roast papads, or make them crisp by warming if already roasted. Warm and crispen khakhras. Crush both together to a coarse mixture .Add chilli powder, cumin powder, mix. Add ghee, mix well till blended evenly. Serve as a snack or an accompaniment with dal and rice. Very good snack while traveling long distance.