Rajiv Gandhi National Ground Water Training and Research Institute, Raipur, CG, India.

The author is a professional hydrogeologist in Central Ground Water Board, a Govt. of India organization. He has vast experience in varied branches of hydrogeology having worked for 35 years in different hydrogeological environs. He developed immense interest in hydrochemistry and published over 40 research papers in highly reputed journals. The author has contributed few chapters on water chemistry to highly acclaimed books. He has authored 35 Reports covering different topics of hydrogeology. Since the past six years the authors is also associated with the national training institute as a trainer and researcher. He is instrumental in designing and imparting training on hydrogeochemical topics to wide spectrum of participants from India and few Asian countries. The author is on the editorial board of many journals and regularly reviews research articles, project reports, thesis, and books.