Boil 1.5 cups of water, add the powdered Jaggery to it. Let the jaggery melt. Strain for impurities and keep aside, let it cool until use.
Take the ragi Flour in a large bowl. add the powdered cardamom, powdered nuts, grated coconut, Mix well
Add the jaggery water, little by little and form a dough. The entire jaggery water might not be used for the dough, there might be a ½ cup of jaggery water left.
Divide the dough into ping pong size balls. Using a banana leaf, pat the ball into a flat disc. Heat a tava, invert the banana leaf with the disc-side down on the hot skillet and peel-off the banana leaf slowly.
Cook the adai on both sides, using little ghee. Serve Hot.
Since it is a swee adai, this doesn't need any condiment, if you still want some, serve with some sliced banana and honey on the sides.