The black mustard seeds commonly known as kali Sarson are highly pungent and volatile in nature. When used in tadka or tempering, it will give your dishes a nutty flavour. Mustard seeds are very rich in calcium, manganese, omega 3 fatty acids, iron, zinc, protein and dietary fibre. Cee Pee's Black mustard is made of the choicest crop cleaned in state of the art plant.