Roast or lightly fry the papad and break them into small pieces.
Whisk yogurt with turmeric and red chili powder until smooth.
Heat a little oil or ghee in a pan and sauté grated ginger.
Add chopped tomatoes and cook until soft.
Add the yogurt mixture slowly while stirring continuously.
Add water to achieve a thin, soup-like consistency.
Add salt and mix well.
Add the crushed papad pieces just before serving.
Simmer for 3–5 minutes to blend flavors.
Serve hot as a light and tangy soup.