Below are some of the references about Dr. Khadar Valli's and Dr. Sarala's work on millets and their health benefits.
https://www.tolivelugu.com/millets-awareness-program-in-houston/
https://www.moneylife.in/article/a-cancer-free-world/45445.html
http://www.riseforindia.com/dr-khader-diet-correct-medicine-not-needed/
https://www.thebetterindia.com/172686/mysuru-doctor-diabetes-organic-millet-diet-india/
https://www.thehansindia.com/posts/index/Womenia/2018-08-29/Wonder-millets-for-womens-health/408319
https://gulfnews.com/world/asia/india/millets-the-small-sized-panacea-for-health-1.60607633
https://www.careerindia.com/news/dr-sarala-bangalore-grabs-17-awards-of-18-010139.html
http://pragatiresorts.com/the-food-of-the-future/
http://www.bindugopalrao.com/magic-of-millets/
https://nolaeconuts.home.blog/2019/01/06/about-dr-khader-vali/
https://www.organic-sphere.com/single-post/2019/01/05/Who-is-Dr-Khader-Vali
http://www.anuradhasridharan.com/2016/12/drkhaders-talk-on-millets-and-healthy.html
https://manufactureinindiablog.wordpress.com/2016/04/24/eat-the-millet-or-bite-the-bullet/
http://www.indiankhana.net/2014/09/millets-millets-types-benefits-nutrition.html?m=1