Soak rice and urad daal seperatly for 4-5 hours and grind it seperatly. Make sure you grind it as smooth as it can be.

Mix it and place it in warm place where it will get fermented.

Now add salt as per taste and pour batter in idli mould. Add tsp of ghee in steamer and put idli stand in it. Cook it for 10 mins.

Take out moulds and let it get cool down. Serve it with chutney and sambar