Wash the proso millet rice to remove any stones or impurities.
Take a medium sized pan and add water to it. Boil the water.
Add washed proso millet rice to the boiled water and cook it for about 15 minutes or till it becomes soft.
Keep the cooked prosomillet rice aside in a bowl. Allow it to cool.
Take another bowl, add curd and salt to it.
Mix curd with cooked proso millet rice. Stir it well so that it is properly mixed.
Take a small pan and heat oil in it.
Add curry leaf, mustard seeds, cumin seeds, red chilli and stir fry for 10 seconds on a low flame.
Add groundnuts, black gram and bengal gram and stir fry for 2 minutes on a low flame. Immediately transfer the contents to proso millet curd rice and mix it well so it is uniformly spread.