Keep the Idli Stand (moulds) in the pressure cooker. Cover it with lid. Remove the whistle. Steam it for 10 minutes on high flame and then for 5 minutes on low flame. To check, insert knife into the idli. It is ready to be taken off the mould if it does not stick to the knife.
Wait for it to cool. Scoop out with the help of a knife.
For making curd idlis:
1)Beat curd adding a cup of water and salt to it. If preferred, you can add 1/2 tsp of sugar too.