Dry roast cumin seeds and black peppercorns until slightly browned.
Remove the pan from heat and let it cool. Grind the roasted cumin seeds and peppercorns to make a coarse powder. Keep it aside.
In a pan, add sugar and water. Dissolve sugar and bring the mixture comes to boil.
Then add jeera powder, black salt and chaat masala. mix well.
Cook mixture till it slightly thick or coat the back side of spoon.
Store jeera sharbat or syrup in a glass syrup.