Swami Sivananda’s treatment of non-dual Vedanta appears in a number of works that range from introductory manuals to scriptural commentaries. Among the more direct expositions are texts such as *Vedanta for Beginners*, *Essence of Vedanta*, and *Self-Knowledge*, which lay out the central Advaitic ideas of the identity of the individual self with the Absolute, and the nature of reality as non-dual. These writings seek to render subtle metaphysical doctrines accessible, without losing the rigor of the traditional teaching. They present Advaita not merely as a theory, but as a vision of truth to be realized through disciplined inquiry and reflection.

A second group of works approaches non-dual Vedanta through the lens of classical scriptures and authoritative teachers. Commentaries on principal Upanishads such as the Isa, Katha, and Mandukya, as well as expositions of the Brahma Sutras and the teachings of Shankaracharya, articulate Advaita in close connection with its scriptural foundations. These texts show how the ancient mantras and aphorisms, when read in the Advaitic spirit, consistently affirm the oneness of Atman and Brahman. By engaging with these commentaries, the seeker encounters non-duality not as an abstract construct, but as the underlying purport of the revealed texts.

Non-dual Vedanta in Sivananda’s writings is also expressed in more synthetic or encyclopedic works. Books such as *All About Hinduism* and *Jnana Yoga* contain substantial sections devoted to Advaita, situating it within the broader landscape of Hindu thought and spiritual practice. A work like *Yoga Vedanta Dictionary* supports this study by clarifying key terms and concepts that recur throughout the Vedantic literature. Collections of essays such as *Voice of the Himalayas* further illuminate Advaita themes in a reflective, contemplative mode, showing how the non-dual vision informs ethics, devotion, and inner transformation.

Finally, several texts emphasize the practical assimilation of non-dual Vedanta in daily life. *Practice of Vedanta* and *Sadhana Chatushtaya* focus on the inner qualifications and disciplines required for genuine Advaitic realization, translating lofty doctrine into concrete spiritual work. Manuals on meditation and mantra likewise integrate Vedantic insight with method, indicating how sustained contemplative practice can ripen into direct knowledge of the Self. Taken together, these writings reveal an integrated approach in which philosophy, scripture, and practice converge to guide the aspirant toward the living experience of non-duality.