Of the 50 districts in the country where Aadhaar will be implemented, five are from Maharashtra.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/mumbai-among-5-maharashtra-districts-use-aadhaar
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/daily-news-analysis-mumbai
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/unique-identification-authority-india-uidai
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/unique-identification-number-uid
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/aurangabad-t
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/maharashtra
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/people
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/wardha-d
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/pune-d
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/habitat-and-urbanisation