Soak the rice for 2 hours, take a grinder , add soaked rice add 3 tablespoons of water and grind it into coarse paste. Now in a large kadai boil milk, when the milk boils, sim the flame for 10 minutes. Add prepared coarse rice paste,stir continuously for 6-8 minutes. Peal the mango cut into slices, put the mango slices into the grinder make a mango paste. Boil the milk till the rice gets cooked completely , add sugar cook it for 2-3 minutes sim the flame and cool till only slightly warm. Now add mango pulp and stir , add cardamom powder, mix well, stir till the milk thickens and turn creamy. Pour it into a-bowl cool it and keep it in the fridge for 6-7 hour till it sets, serve chilled decorate with mango slices.