Harmonyindia: Http://Www.Harmonyindia.Org/Hportal/VirtualPageView.Jsp?Page_id=25396
https://www.thehindu.com/entertainment/music/labour-of-love/article23758839.ece
http://www.earthamag.org/stories/2017/3/6/eco-friendly-mridangam
https://www.lifepositive.com/green-music/
http://www.bwcindia.org/Web/QuarterlyJournal/2017/Compassionate-Friend_Monsoon_2017_Vol_XL_No_3.pdf
https://citytoday.news/tag/dr-k-varadarangan/
http://srutimag.blogspot.com/2017/01/the-ethical-vegan-mridangam.html
https://www.magicgreenkitchen.com/en/iz-indii-s-lyubovyu-veganskie-barabany-retsept-pryanogo-sabdzhi-iz-kabachka-i-zelenogo-goroshka/