The book has been written by the octogenarian musician, musicologist & a renowned composer Pt. Y.M. Mahale. It has been designed with analytical discussions on the 38 lecture demonstrations conducted by legendary musician & musicologist late Pt. K.G. Ginde. This book includes details about various Ragas evolved from the Parental scales (Thaat) of the Hindusthani music with emphasis on different Raagaangs.