International Agency for Research on Cancer (IARC), a part of WHO designates cell phones as "possible human carcinogen” [Class 2B] Found evidence of increase in glioma and acoustic neuroma brain cancer for mobile phone
Links:
[1] http://admin.indiaenvironmentportal.org.in/reports-documents/dangers-radiation-cell-towers-densely-populated-mumbai
[2] http://admin.indiaenvironmentportal.org.in/category/author/girish-kumar
[3] http://admin.indiaenvironmentportal.org.in/category/publisher/iit-bombay
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/radiation
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/telecommunication
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/mumbai
[7] http://admin.indiaenvironmentportal.org.in/thesaurus/electromagnetic-radiation-em-radiation
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health-effects
[9] http://admin.indiaenvironmentportal.org.in/thesaurus/mobile-phone