1. Chop the raw mangoes finely and keep aside.
2. Dry roast the methi seeds for a minute and powder them in a blender; DO NOT add water while powdering.
3. Heat oil in a pan;Temper with mustard seeds, curry leaves and hing; Add the chopped mangoes and cook until they are tender; Add little water if required.
4. Add the powdered methi, chili powder, jaggery, tamarind, salt and mix well;Mix well and let cook for a couple of more minutes.
5. Adjust ingredients according to taste.
6. Remove from stove and serve hot with rice, rotis or even dosa.

Courtesy: http://maneadige.blogspot.com/