Wash and Soak moong dal and a tablespoon of Channa dal for 4 hours. Grind it in a mixie jar with salt needed. Consistency must be like dosa batter. Set aside.
Take a mixie jar , add coconut and green chillies . Grind it without adding water. Set aside
Take a idly plate, apply some oil , add moong dal batter and make idlies. It will take around 10 to 15 minutes. Cool it completely.
Crumble the idlies coarsely with your hands or using mixie jar for better result.cut the idlies into 2 or 3 pieces and put it in the mixie and pulse it for a few seconds. Set aside.
Take a pan, add oil when it begins to splutter add Channa dal, urad dal, hing , curry leaves, saute for a min.
Add crumbled idlies, coconut and green chilly mixture and salt. Mix it well.