The Bhagavad Gita has 18 chapters. It consists of 700 verses. Self realization or God realization is the essence of Bhagavad Gita. Although goal is one, there are many ways to reach it based on your temperaments and circumstances. Bhagavad Gita is perfect synthesis of four yogas – karma yoga, jnana yoga, raja yoga and bhakti yoga. You need a combination of these four yogas to reach the ultimate. Bhagavad Gita started with the distress of Arjuna and ends with the surrender to the ultimate.
In the end, Arjuna is convinced. He picks up his bow and is ready to fight. Bhagavad Gita tells us that the importance of living life with self awareness, awareness of the Divine, with equanimity, peace and detachment. One needs to focus all energies to know the secret of inner Self, whatever place or stage of life one is placed in. Bhagavad Gita explains the immortal nature of the soul. Bhagavad Gita tells us that one must do their duty for the welfare of the world without attachment towards the fruits of actions.