Nitrate has become of the key environmental issues because of its implications on human and animal health. Nitrate enters in the human body through the use of ground water for drinking and causes number of health disorders. In Rajasthan, ground waters of Nagaur, Barmer, Bikaner, Churu, Ganganagar, Hanumangarh and Jhunjhunu districts were enriched with high nitrate.

With the increase in population and revolutionary development in the field of agriculture and industrial sectors, requirement of water has drastically increased in our country. Consequences of rising demand of water has rapidly decreased its quantity and deteriorated the quality, thereby requires its judicious use and reuse.