Wash Dal and rice properly.and soak for half an hour.
Heat ghee in pressure cooker. 
Add rice and Dal to the pressure cooker.
Fry for a while Add four cups of water to it. Quantity of water can be varied depending on the thickness you prefer. If you want little liquidity add one extra cup of water. Add salt stir well so that it gets uniformly added.

Close the lid of the pressure cooker.
Cook on low flame wait for steam from cooker when it's start whistling switch off the flame and leave this to cool.
After steam come out of the pressure cooker open and stir nicely.

Khichdi is ready for serve on late.
Top it with ghee.