The Natya Shastra, attributed to the sage Bharata Muni, is an ancient Sanskrit text that delves into the theory of drama and performance, laying the groundwork for Indian literary criticism.

Bharata Muni's theory of drama revolves around the concept of Rasa, the aesthetic experience or emotional response evoked in the audience through the performance.

Anandavardhana, in his work 'Dhvanyaloka', introduced the concept of Dhvani, emphasizing the significance of suggestion and implication in literary expression.

Abhinavagupta, in his influential work 'Abhinavabharati', delved into the realm of aesthetics, exploring the nature of beauty, rasa, and the relationship between art and reality.

Kuntaka, in his treatise 'Vakroktijivita', expounded on the concept of Vakrokti, emphasizing the significance of indirect expression and figurative language in literary composition.

Mammata, in his work 'Kavyaprakasha', focused on Alamkara, the use of rhetorical devices and figures of speech, as a means to enhance the beauty and effectiveness of poetic expression.

Jagannatha, in his treatise 'Rasagangadhara', explored the concept of Riti, the distinct styles or modes of expression employed in literary composition.

Bhoja, in his work 'Sarasvatikanthabharana', delved into the realm of rhetoric, examining the use of language and persuasive techniques in literary and oratorical contexts.

Visvanatha Kaviraja, in his treatise 'Sahityadarpana', emphasized the importance of Aucitya, the principle of appropriateness and harmony in literary composition.

Appayya Dikshita, in his work 'Kuvalayananda', focused on Rasa, the aesthetic experience, as the ultimate goal of poetic expression.

Jagannatha, in his treatise 'Rasagangadhara', explored the concept of Vyakti, the distinct individual style or voice of a literary artist.

Bhoja, in his work 'Sarasvatikanthabharana', delved into the realm of rhetoric, examining the use of language and persuasive techniques in literary and oratorical contexts.

Visvanatha Kaviraja, in his treatise 'Sahityadarpana', emphasized the importance of Aucitya, the principle of appropriateness and harmony in literary composition.

Appayya Dikshita, in his work 'Kuvalayananda', focused on Rasa, the aesthetic experience, as the ultimate goal of poetic expression.

Jagannatha, in his treatise 'Rasagangadhara', explored the concept of Vyakti, the distinct individual style or voice of a literary artist.