Mumbai International Airport Limited (MIAL) or Chhatrapati Shivaji International Airport is probably the only Indian airport that has voluntarily started carbon mapping.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/three-csr-initiatives-training-spotlight-environment-conservation
[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/environment
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/corporate-social-responsibility
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-transport
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/mumbai
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ngo
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/cng
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/renewable-energy
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/leds
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/energy-efficiency
[13] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environmental-security