Stir in chili powder, ground coriander, cumin & fenugreek and salt. Cook till the spices are fragrant, about 1 minute. Add the tamarind paste and water. Bring the mixture to simmer on medium flame. Lower the heat, cover and simmer for about 12~15 minutes. If the mixture seems too thick, add more water and cook until heated through.
3 tablespoons Tamarind paste, 1½ cups Water, plus more if needed, 1 teaspoon Red Chili powder, 1 teaspoon Ground Coriander, ½ teaspoon Ground Cumin, ½ teaspoon Ground Fenugreek, To taste Salt