In a pan - add condensed milk and milk powder.
Mix well with a ladle so that there are no lumps.Now switch on the flame and cook it in low flame.Add ghee and keep cooking. It will become thick in 2-3mins.
When it forms a thick mass and leaves the sides of the pan.Get ready with coco powder mixture, add coco powder to milk, mix well to form a smooth paste.
Now add the coco paste and keep cooking.
Add choco chips and cook until it melts completely and blends evenly.
Then grease your fingers first.Now pinch a tiny portion, roll into a tiny balls if forms a ball then stop cooking.Switch off and set aside for atleast 20 mins.Transfer the mixture to a bowl and Cool down for 15-20mins.Now pinch a small lemon sized ball and roll it.
Slightly flatten it and make a dent in the center.Add chopped pistachios in hte center. It will look goey but will harden after sometime.