the Indian system of music there are about the 500 modes and 300 different rhythms which are used in everyday music. The modes are called Ragas."
Explanation:
Once Ustad Vilayat Khan saheb at the Sawai Gandharva Music Festival said before beginning his performance - "There are approximately about 4 lakh ragas in Hindustani classical music. Many of them are repetitious but have different names."