http://www.orissatourism.org/orissa-tours/best-of-orissa-buddhist-tours.html
http://goindia.about.com/od/orissa/ss/3-Sacred-Orissa-Buddhist-Sites.htm
https://www.youtube.com/watch?v=nK92RCUvkxQ
http://www.incredibleindia.org/en/travel/destination/lalitgiri-ratnagiri-udayagiri/lalitgiri-ratnagiri-udayagiri-introduction
https://rangandatta.wordpress.com/2011/12/22/diamond-triangle-budhist-heritage-of-orissa/
http://articles.economictimes.indiatimes.com/2012-03-22/news/31224944_1_cuttack-buddhist-heritage-monastery
http://justaboutev3rything.blogspot.in/2013/09/ratnagiri-odisha-bihar-is-land-of.html
http://newlotus.buddhistdoor.com/en/news/d/35661
http://www.odishatours.net/East-India-Golden-Triangle-Tour.html
http://uditmohanty.blogspot.in/2012/07/pushpagiri-buddhist-triangle-in-odisha.html
https://in.lifestyle.yahoo.com/photos/udayagiri-and-lalitgiri-along-odisha-s-buddhist-trail-slideshow/