Keep a pan on medium flame, add ghee, add chana dal, urad dal, saute it, let it splutter now add in cashew nuts roast for a 2 minutes..

Further add in rava/sooji roast nicely until you get good aroma.. take out and let it cool down

Now add curd and required amount of water for the thick batter, mix well.. keep it aside for 10 minutes..

After 10 minutes check the consistency if it requires more water you can add and mix well.. Add food colour,add eno, give it a gentle mix... pour it in Idli plates steam it for 10-15 minutes..