Product Need Identification: The Need of Solar Based Water Purification Systems

  Product Need Identification: The Need of Solar Based Water Purification Systems   By Nirupa Jain (Research Scholar doing M. Tech. in Manda Institute of Technology, Bikaner) And Krishan Kumar (Research Supervisor, Manda Institute of Technology, Bikaner) And Dr. Anshumala Sharma (Research co-supervisor, Manda Institute of Technology, Bikaner) (The writers are thankful to Mrs. Suman