This Chapter is called “Devotion Discipline” (Bhakti Yog in Sanskrit).
It explains that thinking of God as Supreme and devotedly concentrating on him reaches one to the God himself.
Those with singular motive worship him they reach the destination Supreme.
The God further explains that it may be difficult to understand the complexities of Nature and the Almighty. However concentration, practice and doing action in name of God , without desire for fruit also will take one to the God.