Patanjali black salt boost flavour of foods. Sprinkle it on chaat, raita, salad and more to get chatpata and unforgatable. Black salt, also known as himalayan black salt, indian black salt or kala namak, is manufactured in the regions surrounding the himalayas. It contains, in addition to sodium chloride (the key chemical compound of salt), traces of sulphur compounds naturally found in the himalayan mountains.