- Making Curd Mixture Take 1 cup fresh curd in a mixing bowl. Whisk it till smooth. Then add 3 tbsp rajgira atta or amaranth flour. If you don't have amaranth flour then you can also add buckwheat flour arrowroot flour. Mix again very well. Then add 1/2 cup water. Whisk the whole mixture very well. There should be no lumps. Making Rajgira Kadhi In a pan heat 2 tbsp ghee or peanut oil. Add 1/2 tsp cumin seeds and saute them till they are fragrant and change color. Then add 1 to 1.5 tsp crushed ginger,green chili paste. Stir and saute till the raw aroma of the ginger goes away. Lower the flame and then add the curd mixture. Season with rock salt. Add 1/4 to 1/2 tsp sugar. Add sugar as per your taste. Stir very well and allow the rajgira kadhi to simmer. Do stir on occasions. The kadhi will thicken. Garnish vrat ki kadhi with chopped coriander leaves.