Simhnada Guggulu: A Unique Classical preparation of Vati Kalpana

Introduction: Simhnada Guggulu is a herbo mineral formulation which is mentioned in an Amavata Rogadhikara in Chakradatta and Bhaishjya Ratnavali.It holds a unique method of preparation which creates difficulty in pharmaceutical outcome.Hence, this study is aimed in the pharmaceutical preparation of Simhnada Guggulu through different three methods. Materials and Methods:This study was carried out in two phases: 1. Raw Drug Collection 2. Preparation of Simhnada Guggulu.Simhanada Guggulu was prepared with special reference to Chakradatta in three different approaches.1. Triphala Churna was added as Kalka 2. Gandhaka was added as a Prakshepa 3. Triphala was included only in the form of Kwatha as per the original classical literature.Result: The Paka was continued till the entire Kalka achieved a pill rolling consistency.The final product resembles solid Kalka with free oil.The Kalka was rolled into Gutika after removing the excess oil.In the first method Gandhaka was not soluble in an Eranda taila.On increasing heat Gandhaka became solidified and was not evenly mixed with other ingredients.In the second method Gandhaka