Bhagwan Shree Mahakalbhairav Rahasyaprakash – Volume 1′ is a book written by Shree Gurudev Shriniwasji which reveals many mysteries about Lord Shree Mahakalbhairav. In this first part, through the two sub-divisions namely ‘Gnyankhand’ and ‘Charyakhand’ or ‘Upasanakhand’, Shree Gurudev Shriniwasji has revealed secret information about Lord Shree Mahakalbhairav. In the first part of the book, in the ‘Gnyankhand’, Shree Gurudev Shriniwasji has written a detailed explanation of the hidden meaning behind sixty prominent names of Lord Shree Mahakalbhairav. That description is included in this first volume in the form of a ‘Gudharthabodhinitika’. Through this ‘Gudharthabodhinitika’, venerable Shree Gurudev Shriniwasji has shed special light on the spiritual, gross subtle, and gross physical forms of Lord Shree Mahakalbhairava. Revered Shree Gurudev Shriniwasji has shed clear light on many mysteries that are still unknown today such as the spiritual form of Lord Shree Mahakalbhairava, his important place in the supreme ‘Devta Mandal’ (Circle of deities) of the gross subtle universe, his role as a supreme deity in the relationship between the world and human beings. In the Charyakhanda or Upasanakhanda included in the first part of this volume, Shree Gurudev Shriniwasji has given detailed information about the daily and occasional worship of Lord Shree Mahakalbhairav. We also believe that this information will be a clear guide to worship the Lord Shree Mahakalbhairav for the devotees whose ‘Kula-Devta’ (Family deity) ​or ‘Ishta-Devta’ is Lord Shree Mahakalbhairav. After taking a note of all the topics related to the practical worship of Lord Shree Mahakalbhairav ​​in this book, it will be evident to curious devotees why we believe this will be an excellent guide. In the ‘Charyakhand’ of this book, Shree Gurudev Shriniwas Ji has given clear guidance on how the worshipers of Lord Shree Mahakalbhairav can worship him from the time of waking up in the morning to the time of going to bed at night in a scientific manner. ‘Charyakhand’ has detailed information and guidance on how to perform ‘Bhairavsmarana’, ‘Bhairavasnanavidhi’ in the morning, and ‘Trikal Bhairavsandhya’ and ‘Shodashopchar Poojan’ of Lord Shree Mahakalbhairav after taking bath. Lord Shree Mahakalbhairav ​​is an Agnimaya, i.e. Agnitattvapradhana (Fire element dominant) deity and therefore the ritual of Havan performed in Agni (Fire) is of utmost importance in the worship of this deity. Considering this fact, Shree Gurudev Shriniwasji has given detailed information with the procedure of the rituals of ‘Nitya Havan’ (Daily Offering), ‘Nitya Bhairavagnihotra’ which are performed for the sake of Lord Shree Mahakalbhairav which are not prevalent and not known anywhere far today. The revelation made by Shree Gurudev Shriniwasji in this regard of the lifetime Agnihotrasadhana performed for the sake of Lord Shree Mahakalbhairav ​​is an important feature of the practices performed related to the fire deity in regards with Lord Shree Mahakalbhairav. The information related to this is not available anywhere in general and obtained only by the grace of the Bhairavsa sectarian saints. Revealing that information for the first time, Shree Gurudev Shriniwasji has opened a chamber of secrets of the Shree Kalbhairav ​​sadhana to the common devout lord Bhairava devotees. Readers will notice from reading Charyakhand that how Shri Gurudev reveals many secrets of Bhairav ​​sadhana through this book, explaining the interrelationships between various Bhairav ​​incarnations such as Lord Shree Batukbhairav, Lord Shree Mallarimartadbhairav ​​, and Lord Shree Kalbhairav.