Drain water from soaked raw rice
Start grinding in a grinder
When rice is about half done, add jaggery, coconut, jackfruit, continue grinding
Grind into a thick batter, the batter should neither be too smooth nor too coarse, consistency should be thick enough such that the batter will not run over
Wash banana leaf well to remove dust etc.
Wilt banana leaves a little over the flame, so that it does not tear when folded
Pour a ladle full of batter over
Fold carefully on all four sides
Stack them over idly plates, stack them such that the folding does not unfold
Steam for about 15min