The talk by Mr. Aravinda K. covers the essence and misconceptions of yoga, emphasizing that yoga is a spiritual practice aimed at self-realization rather than just physical exercises or meditation. It discusses the components of yoga, including asana, pranayama, and dhyana, and their importance in regulating the mind and achieving inner peace. The document also outlines the true nature of yoga, its classification, and the required commitment for participants in a yoga course.