The Tairiya Upanisad, associated with the Tairiya school of the Yajurveda, is a Vedic Sanskrit text. It is generally believed that its authorship is due to the pupils of Sage Vaisampayana. The contents of this Upanisad includes prayers and benedicons, instrucon on phonecs and praxis, advice on ethics and morals given to graduang students of ancient Vedic Gurukulas along with philosophical instrucons. The present book is a compilaon of talks on the Tairiya Upanisad by Sri Anirvan at Dharmasabha, Kolkata during 6 February 1965 to 10 July 1965. Sri Anirvan has talked about peace invocaons, science of phonecs, Brahman the bliss and the enlightenment of Bhrgu as the focus of his discourses. Inevitably, this book approaches the contents of a Vedic text keeping in mind the need of a modern-day knowledge seeker.