In a deep bowl take cooked rice along with sufficient water and mix well.
Cover the bowl, keep aside to ferment 1-2 days or atleast for 18-20 hours.
Then strain the rice and keep aside the water (torani).
Mash the rice very well using a potato masher.
Into that bowl add well beaten yogurt, torani (strained water) and give a quick mix.
Roughly muddle mango ginger, curry leaves, coriander leaves, green chilies and add to the rice bowl.
Next squeeze half lemon and also add the lemon slices, lemon leaves, roasted cumin powder, salt.
Mix everything and also adjust the consistency by adding less or more water.
Pour into serving bowl and serve !