Raja Vidya Raja Guhya Yoga (Samskrit: राजविद्याराजगुह्ययोगः) is the commonly given name to the ninth Chapter of the Bhagavad Gita. In this chapter, ascertaining Arjuna to be a qualified aspirant and endowed with faith, Shri Krishna declares to him the sovereign knowledge and sovereign secret that is to be known by Pratyaksha Pramana (direct experience).