Sri Sai Mega Water Solution uses a unique, advanced TSRF technology along with silver nanotechnology to purify water. 20 years sales & service experience in water purification systems It's not surprising to note that in the water purifiers category, the Sri Sai Mega Water Solution was voted 'Product of the Year - 2012' in a survey conducted by an independent consumer survey across the country. COO Consumer Products Business of Tata Chemicals informed "Safe drinking water is a basic human right and 'Sri Sai Mega Water Solution ' performance, design and convenience to serve this basic human right of millions of consumers. The company has made affordability an important part of its innovation efforts.