Dr Siddhartha Ganguli, educated at the universities of Calcutta & Jadvapur in India and Glasgow in UK and also the British Institute of Management, London wore twin hats throughout his entire career. One was of a professional manager and management counsellor and the other, of a biomedical sciences researcher. His integrated research studies earned him worldwide fame and took him to different countries and to every nook and corner of India to talk about the practical applications of his findings. Winner of several prizes, awards & honours from India and abroad, he has been developing and promoting the totally new and novel domain of ‘Neuro-Management’ (‘NM’)—how the potential powers of the human brain can be tapped to have a healthy & happy life in family, social & work spheres. His most recent book ‘Music is Magic |Music is Medicine’, deals with ‘Bio-musicology’, a very important branch of ‘NM’, involving the study of the impact of music on body, brain, mind & soul. The present volume is an application of ‘NM’ in the study of the concepts and practices followed by the Bauls & Fakirs of West Bengal, India and Bangladesh.