This book is Marathi translation of the book The Eternal Companion - Life & Teachings Of Swami Brahmananda. Swami Brahmananda was considered by Sri Ramakrishna to be his spiritual Son. He was The first resident of The Ramakrishna order and Beacon - Light of Inspiration to all during the infancy of The Ramakrishna Movement. his life and teachings continue to inspire earnest people to new heights of spirituality. The first part of this book contains Swami Brahmananda'S biography and the second part, his teachings.