Navarasa Sadhana is the systematic and daily practiceof the nine basic emotions by the actors, with the aim of strengthening their capacitiesfor producing this aesthetic experience in the spectators. Sage Bharata has includedeight Rasa-s including Sringara(the erotic sentiment), Hasya(the comic sentiment),Karuna(the pathetic sentiment), Roudra(the furious sentimant), Vira(he heroicsentiment), Bhayanaka(the terrible sentiment), Bibhatsa(the odious sentiment) andAdbhuta(the marvellous sentiment) in his treatise, Natya Sastra. Another Rasa, Śanta (tranquility) was added at a later stage, and thus constituting the Navarasa-s.