“ This knowledge is the king of all wisdom, the king of all that is confidential. It is the purest and the topmost and because it gives direct perception of the self by realization it is the perfection of all religion and everlastingly joyful to perform”. – Bhagavad-Gita, chapter 9, verse 2
Bhagavad Gita is the sermon that Lord Krishna delivered to Arjun on the battlefield during the war Mahabharat in Kurukshetra. This is part of the Bhishma-Parva section of Mahabharata. This is a Upnishada, namely Gitopnishad.
The Bhagavad-Gita consists of 18 chapters and each chapter is called yoga. Yoga is the science of the individual consciousness attaining communion with the Ultimate Consciousness. So each chapter is a highly specialized yoga revealing the path of attaining realization of the Ultimate Truth.
Following is the complete list of chapters in Bhagavadgita.
The first 6 chapters deal with Karma Yoga.
Chapter 1 : Visada Yoga
Chapter 2 : Sankhya Yoga
Chapter 3 : Karma Yoga
Chapter 4 : Jnana Yoga
Chapter 5 : Karma Vairagya Yoga
Chapter 6 : Abhyasa Yoga
The middle 6 chapters deal with Bhakti Yoga as they principally are pertaining to the science of the individual consciousness attaining communion with the Ultimate Consciousness by the path of devotion.
Chapter 7 : Paramahamsa Vijnana Yoga
Chapter 8 : Aksara-Parabrahman Yoga
Chapter 9 : Raja-Vidya-Guhya Yoga
Chapter 10 : Vibhuti-Vistara-Yoga
Chapter 11 : Visvarupa-Darsana Yoga
Chapter 12 : Bhakti Yoga
The final 6 chapters are about the Jnana Yoga, dealing with the science of the individual consciousness attaining communion with the Ultimate Consciousness through the intellect.
Chapter 13 : Ksetra-Ksetrajna Vibhaga Yoga
Chapter 14 : Gunatraya-Vibhaga Yoga
Chapter 15 : Purusottama Yoga
Chapter 16 : Daivasura-Sampad-Vibhaga Yoga
Chapter 17 : Sraddhatraya-Vibhaga Yoga