This document discusses rasa theory, which was mentioned in the 6th chapter of the ancient Indian text Natyashastra. Rasa theory describes the nine emotional states or rasas that literature and performing arts aim to evoke in an audience. These include love, laughter, compassion, anger, heroism, horror, disgust, wonder, and peace. The document provides details on each rasa from the Natyashastra and later philosopher Abhinav Gupta's addition of the 9th rasa of peace. It explains that the aim of rasa is to portray reality to the audience and make them feel the emotions the author intends through drama, poetry, dance, music and other art forms.