Satellite data show concentrations highest over Uttar Pradesh and Madhya Pradesh and lower over South India
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/399-ppm-india-matches-world-atmospheric-carbon-dioxide-levels
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/hindu-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/carbon-dioxide
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/uttar-pradesh
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/madhya-pradesh
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/atmosphere
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution