This book is based on selected 100 significant annotations from confidential diaries of Yogiraj Sri Shyamacharan Lahiri Mahasaya.
These annotations are sadhana derived direct realizations of Lahiri Mahasaya and of immense significance for those pursuing sadhana. Author at the behest of his Guru Satyacharan Lahiri Mahasaya authored this composite scripture to save the actual essence of annotations from dilutions or distortions from non-Yogis and for the benefit of future Yogis. Intricate aspects of kriyayoga has been elucidated by the author lucidly and this book is loved by all kriyayoga practitioners. This book has been translated into Hindi, Marathi & Telegu, original being in Bengali.