Links:
[1] http://admin.indiaenvironmentportal.org.in/news/value-added-birdwatching
[2] http://admin.indiaenvironmentportal.org.in/category/author/raman-kumar
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/down-earth
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/birds
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/biodiversity