Yoga Rahasya Title

योग रजस्य

Yoga Rahasya

Yoga Secret

yoga - the act of yokingrahasya - secret

Commentaries and Reflections

TKV Desikachar:

http://www.yogastudies.org/2016/03/nathamunis-yoga-rahasya-is-quite-likely-to-be-a-combination-of/