Heat a pan and add oil.
Once the oil is hot, lower the flame and add cumin seeds, sesame seeds, curry leaves, and boiled and chopped potatoes. Toss the ingredients well together.
Now add red chili powder, black pepper powder, roasted and crushed peanuts, finally sendha namak to taste. Mix well
Cover the lid, and on a low flame let it cook for 1-2 minutes.
Now take a cup of fresh curd, whisked and smooth, and with one hand pour it into the pan and with other hand keep stirring it continuously.
Now in the same cup (which had curd) add water and add it in the pan. Mix well
Add chopped coriander leaves and again give it a toss, switch off the flame and serve in a bowl.