Bharatiya Natyashastra is an ancient Sanskrit treatise on performing arts written by Bharatmuni. It contains 36,000 sutras and 6,000 shlokas discussing topics like theatre, dance, music, and recitation. The text describes four types of bhava or emotional states that give rise to rasas or aesthetic experiences. It also discusses concepts like vibhava, anubhava, and vyabhichari that are involved in rasas. Bharatmuni identified 9 rasas corresponding to emotional states and associated gods, colors, and sentiments. Natyashastra provides fundamental principles of Indian performing arts and its terminology indicates it was written prior to the