For this one, you'll need Plain curd - 2 cups, Green chilly - 1 (chopped), A small bunch of coriander leaves - chopped, 4 curry leaves, 1 tsp rock salt or black salt, Salt to taste. Add all the ingredients to a blender and blend them well. Store this mixture in your fridge to chill it and add some water to it as well. Garnish with coriander.