The Rigveda, the oldest of the four Vedas, contains hymns and verses that explore themes of creation, divinity, and the nature of reality, laying the groundwork for Indian literary theory.

Bharata Muni, the author of the Natya Shastra, is considered the father of Indian literary criticism. His work provides a comprehensive framework for analyzing and evaluating dramatic literature.

Rasa, or aesthetic experience, is the central concept in Bharata Muni's theory of drama. He identifies eight rasas: love, humor, pathos, anger, courage, fear, disgust, and wonder.

The Progressive Writers' Movement, active in the early 20th century, emphasized the importance of social realism and political consciousness in literature, seeking to address social and economic issues.

Jayanta Mahapatra is considered the pioneer of the New Poetry movement in India, which sought to break away from traditional forms and explore new modes of expression.

Reader-Response Theory emphasizes the role of the reader in creating meaning from a text, focusing on the reader's interpretation and response to the work.

G.N. Devy is known for his work on the concept of 'Indianness' in literature, exploring the unique characteristics and cultural influences that shape Indian literary expression.

Hybridity refers to the blending of traditional Indian and Western literary forms and techniques, resulting in a unique and diverse literary landscape.

The Avant-Garde movement in India sought to challenge established norms and conventions in literature, pushing boundaries and experimenting with new forms and techniques.

Rabindranath Tagore is considered the father of modern Indian literature, known for his groundbreaking work in poetry, drama, and prose.

Abhinavagupta is known for his work on the concept of 'rasa' in Indian aesthetics, providing a comprehensive analysis of the emotional impact of art on the audience.

Rupaka refers to the use of allegory and symbolism in Indian literature, employing metaphorical language to convey deeper meanings and insights.

Anandavardhana is known for his work on the concept of 'dhvani' in Indian poetics, emphasizing the suggestive and implied meaning in literary expression.

Vyangya refers to the use of irony and satire in Indian literature, employing indirect and subtle means to convey criticism or humor.

Mammata is known for his work on the concept of 'alamkara' in Indian poetics, providing a comprehensive analysis of the various figures of speech and rhetorical devices used in literature.