As many as 32,664 children below five years have died in Mumbai city and suburbs in the past five years (from 2008 to 2012).
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/32000-children-below-five-died-mumbai-2008
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/daily-news-analysis-mumbai
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/maharashtra
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/mumbai
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/child-health
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/malnutrition
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/infectious-diseases
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tuberculosis
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vaccination
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/immunisation