Clasical music point of view.......... ragas are classified into 72 MELAKARTAH ragas... ie its arohanam and avarohanam contains excat 7 notes .....without any repetition.... eg: sa re ga ma pa dha ni .....(in arohana) and in avarohana (sa ne dha pa ma ga re sa)
so like that..there are 72 ragas....which is called as the melakartha ragas..... Each of these melakartha ragas itself has sub ragas...which is called as Jenya ragas...... so mainly 72 major ragas there....and other 3000 subragas in each of these melakertha raga..... This is also called as fundamental ragas.Its also called Sampoorna raga because its arohana and avarohana contains exact 7 notes with out any repetition. The 72 MELAKARTHA RAGAS are listed below..........