Clear Premium Water, an Indian manufacturer of bottled water, has acquired a 51% stake in Kelzai Volcanic Water, a brand of volcanic spring water. Established in 2007, the Kelzai Volcanic Water brand provides water sourced from volcanic springs in the Western Ghats, and is claimed to be rich in essential minerals and electrolytes. It is available in various sizes of plastic and glass bottles in both still and sparkling varieties. …