Step 1: Understanding the types of yoga.
- (A) Bhakti Yoga: Bhakti Yoga is the yoga of devotion and is focused on the love and devotion to God, but it is not the primary focus in the Bhagavad Gita for knowledge of the self.
- (B) Karma Yoga: Karma Yoga is the yoga of selfless action, and while it is emphasized in the Bhagavad Gita, the specific focus for true knowledge of the self is more on Jnan Yoga.
- (C) Jnan Yoga: Jnan Yoga is the yoga of knowledge and wisdom. The Bhagavad Gita emphasizes this type of yoga as the path to true knowledge about the self and self-realization.
- (D) Bahirang Yoga: Bahirang Yoga refers to external practices and is not the focus of the Bhagavad Gita in the context of knowledge of the self.
Step 2: Conclusion.
The correct answer is (C) Jnan Yoga, as the Bhagavad Gita primarily emphasizes the pursuit of knowledge for self-realization.
Final Answer: (C) Jnan Yoga.