several experiments are being conducted by researchers to measure the mass of neutrinos
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/target-neutrino-mass
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/down-earth
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/nuclear-research
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/nuclear-fuel
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/physical-science