http://www.wahgyan.com/2018/02/what-is-surya-sanyam.html

https://www.ashtangayoga.info/philosophy/yoga-sutra/

https://en.wikipedia.org/wiki/Surya

https://www.artofliving.org/in-en/yoga/yoga-poses/sun-salutation

http://web.mit.edu/hsc/www_old/Shlokas/Navagraha.pdf

Aditya Hridaya Stotra (with lyrics)

navagraha stotram with telugu lyrics must chant once a day