Soak tamarind in vinegar for an hour to get a thick pulp
Heat mustard oil in pan and ginger,garlic slices and saute for 2 min
Add turmeric slices and saute for another 2 min till they are light brown only
Add tamarind pulp ,cumin seed ,sugar and cook it for 2 minute
Add chopped chili, mustard powder ,salt and cook for about 8-10 minute at medium flame till you get a thick gravy consistency
Switch off the flame and let it rest for minimum an hour
Even you can keep this for a day or two at this stage
Heat 1/2 tsp oil in another pan
Add peanut and saute for 2 min
Add cooked rice,turmeric powder and the chili sauce to it and mix well
Cook for 2 to 5 min ,season with salt,It's ready
Serve hot
