Heat 1.5lit milk in a thick buttom pan. Cook this milk up to thick. But one has to be very careful while doing this. It can't be left unattended. reduce this up to 3cups . Then add 4tbsp of sugar to it and seeds of 2green cardamom pods.
In another pan add 1/2lit milk and allow to boil. Then reduce flame and add vinegar and stire. Immediately switch off the gas.
Strain this on the muslin cloth. Add 1lit ice water to it. It will stop cooking of chhena also remove the flavour of vinegar.
Squeeze this chhena or paneer with hand to remove extra water
In a grinder jar add paneer and suji and grind it up to very soft.
Remove this mixture to a plate and mash a little. Then shape them like small balls. I got around 19 balls
In another sauce pan add sugar and water. When sugar melts and water start to boil add paneer balls to it and allow it to cook
1st cook in high flames for 5 mins. Then reduce the flame and cook for 10mins more. Let it cool down completely.
Now fish out the paneer balls from the sugar syrup and add to the already prepared milk. Khir Sagar is ready
Serve this in room temperature or cold as per choice. Garnish this chopped pistachios