The Ashtadhyayi of Panini, the Mahabhasya of Patanjali and the Kashika Vritti of Jayaditya deal with

The Ashtadhyayi of Panini, the Mahabhasya of Patanjali, and the Kashika Vritti of Jayaditya are foundational texts in the field of Sanskrit grammar (Vyakarana). Panini's Ashtadhyayi, composed around the 5th century BCE, established the linguistic standards for Classical Sanskrit through nearly 4,000 sutras. Patanjali's Mahabhasya is the 'Great Commentary' on Panini's work, refining the grammatical rules and exploring their philosophical implications. The Kashika Vritti, co-authored by Jayaditya and Vamana, is a comprehensive commentary on the Ashtadhyayi that provides a detailed explanation of each sutra. Together, these works represent the 'Paninian tradition' of grammar, which focuses on the systematic structure, derivation, and refinement of the Sanskrit language. While they touch upon linguistic theory, their primary classification in Indian tradition is as treatises on the principles of grammar.

Sources

1. [1] Exploring Society:India and Beyond ,Social Science-Class VII . NCERT(Revised ed 2025) > Chapter 5: The Rise of Empires > DON'T MISS OUT > p. 95