Combine yogurt, salt, sugar and black salt and whisk till smooth and creamy.
Combine the prepared beetroot, cucumber and a few rose petals and add them to the whisked yogurt.
Place the coal on the gas and let it burn for 7 - 10 minutes.
Place a small steel bowl on the mixed yogurt and place the coal piece on it and put ghee and the remaining rose petals on top and quickly cover the dish.
Place in the refrigerator for 2 - 3 hours and serve chilled.