This document discusses the importance of rasa in Kathak dance. It defines rasa as the "nectar of Brahma" or supreme pleasure, and identifies nine permanent emotions (navrasa) that can be expressed through dance. These include shringara (erotic), hasya (comic), karuna (pathetic), raudra (anger), veer (bravery), bhayanak (fear/terror), vibhatsa (disgust), adbhut (wonder/surprise), and shanta (devotion/contentment). Kathak dance incorporates both nritta (pure dance) and abhinaya (expression), with the latter allowing dancers to convey the nine rasas and ev