1. Rajya Sabha TV reporting on Taj Mahal, https://www.youtube.com/watch?v=jtLTaGUC5vc&feature=youtu.be&t=7m17s
9. http://www.chinadailyasia.com/asia/2014-12/11/content_15202261.html
10. http://www.ibtimes.co.uk/pollution-carbon-soot-dust-discolouring-taj-mahal-1479036
13. http://www.siasat.com/english/news/carbon-soot-and-dust-behind-discoloration-indias-iconic-taj-mahal
18. http://www.domain-b.com/technology/20150106_taj_mahal.html