You can cook this on a stove top as well. Keep cooking till the water drains and the rice gets all mashed up.
I used the light colored jaggery and that’s why my chakkara choru looks whitish. Normally, the dark jaggery is used. If using, then melt it in the water, strain for impurities and then add it to the remaining ingredients.
The best is to serve it immediately. As it sits, it tends to thicken. Add some water and cook on low flame till the consistency is reached.