Soak rice in 1 cup water for 4-5 hrs.Drain water and reserve the water, set aside.
Now transfer the rice to a mixer jar add half of soaked water to it and grind it to a coarse mixture.Set aside.Boil 2 and 1/2 cups milk.
Simmer for 2 mins.Add the rice mixture, mix well without forming any lumps.
Rinse the mixie with 1/2 cup water and add it.Add reserved soaked water too mix it well.
Cook until rice is soft and cooked completely.Add sugar,cardamom powder and mix well.
The consistency should be creamy not too thick.Add 1/2 cup milk to adjust consistency.
Mix well, let it boil for 2 mins then switch off.