Sadhana: The Realisation of Life is a timeless collection of philosophical and spiritual essays by Rabindranath Tagore. Drawing upon the wisdom of the Upanishads, Tagore explores humanity's relationship with nature, the divine, and the deeper purpose of existence. Through elegant prose and profound insight, he presents a vision of life founded on harmony, freedom, love, and the unity of all creation.

Originally based on lectures delivered in the early twentieth century, this enduring classic continues to inspire readers seeking wisdom, inner peace, and a deeper understanding of the spiritual dimensions of life. Sadhana remains one of the most accessible and influential introductions to the philosophical traditions of India and the universal quest for self-realization.