1.Take a bowl add rice flour & salt.Mix the dry mixture. 2. In a blender put ginger,curry leaves & green chillies & grind it to a fine paste .Add this paste to the flour along with chana dal.Mix well. 3.Add butter to the mixture and mix well as it will work as a binding agent.At this point add FEW drops of water.Knead the dough. 4.Divide the dough in equal parts as desired.Make small balls out of it similar to a dumpling.Take a plastic sheet rest the dumpling on it ,cover it with the other side of the plasticsheet & press it with your palm. [Note:-The dough kneaded is appropriate only when it forms uneven edges when pressed on the sheet. ] 5.Repeat the same procedure for all dumplings. 6..Heat oil in a deep frying pan.Ensure that oil has reached its correct temperature & then add chekkalu slowly.Allow it to cook on medium flame . 7. They are ready to be served.