Boil whey water and keep aside.
Take a deep pan and add milk in it.
Place the pan on gas stove on high flame and warm the milk. You don't have to boil the milk. We repeat, don't boil the milk. To ascertain whether the milk is sufficiently warm is to put your finger in the milk. When you can feel the warmth but no trouble in keeping the finger inside milk for atleast 15-20 seconds, it is done.
The moment milk is warm, immediately switch off the flame. Better remove the pan from gas stove.
Pour the boiled whey water in milk and start stirring. The temperature of milk will rise as we have added boiling hot whey water in it, so nothing to worry now.
After 2-3 minutes of stirring, you will see that the milk will separate from the water. The texture of this milk will be quite creamy.
Then take a handful of this separated creamy milk floating over the water on your palm, wisely press it to squeeze the water and give it a shape of tikki. This is your kaladi.
Keep making all the kaladis and arrange them at a place where there is a way out to drain the leftover water present in the Kaladi.
(We have used some old bamboo basket already available at our home. You can try other methods like use some wide sieve or inner lid of rice cooker or whatever your imagination allows you to think. The only purpose is to create a space for water to drain out from kaladis).
At last when very less floating curdled milk is left in the pan which is not convenient to collect with hands, then pass the liquid through a sieve, hold the collected material within the sieve and make your last Kaladi.
Kaladi may take 3 to 4 days in getting dry completely, rather more days during winter. However after couple of hours when Kaladi stops dripping water, you can transfer it in refrigerator.