This book contains main features of Ragas and Taals of North Indian Music and South Indian Music. In this book salient features of 564 North Indian Raags with Thaat, Jati, Vadi (sonant), Samvadi (sub-sonant), Nature of notes, Prohibited notes in aaroha and avaroha, Aaroha, Avaroha and performing time of these Raags and mentioned. 69 North Indian Taals are written with Matra, Vibhag, Tali, Khali, Theka and its use. Aaroha and Avaroha of 938 South India Raags are given according to Mail (Thaat). Detail of 175 Taal of south and terminology is also given. Many new raags which are uncommon and rare have also got their due place in this book. This book will help music lovers, students, teachers and research scholars to understand better about the raags and taals of North Indian Music and South Indian Music.