Dhuska is a deep fried pancake from Jharkhand and Bihar. The batter is made of raw rice, Urad dal and chana dal. It can be spiced with vegetables to make it more filling.
Traditionally the dhuskas are deep-fried. You can also make these as normal Dosas on tawa, making it in appachatti, almost gives a deep fried effect. This batter needs to be used up right away before it gets fermented. If you are not going to use right away, then refrigerate the batter for later use.