<Tr> <Th> Region </Th> <Td> Northwest Indian subcontinent </Td> </Tr> <Tr> <Th> Main interests </Th> <Td> Grammar, Linguistics </Td> </Tr> <P> Panini (IAST Pāṇini, fl . 4th century BCE) is the name of an ancient Sanskrit philologist, grammarian, and a revered scholar in Hinduism . Considered the father of Indian linguistics, Pāṇini likely lived in the northwest Indian subcontinent during the early Mahajanapada era . </P> <P> Pāṇini is known for his text Ashtadhyayi, a sutra - style treatise on Sanskrit grammar, 3,959 "verses" or rules on linguistics, syntax and semantics in "eight chapters" which is the foundational text of the Vyākaraṇa branch of the Vedanga, the auxiliary scholarly disciplines of the Vedic period . His aphoristic text attracted numerous bhashya (commentaries), of which Patanjali's Mahābhāṣya is the most famous in Hindu traditions . His ideas influenced and attracted commentaries from scholars of other Indian religions such as Buddhism . </P>

Who is known as the father of sanskrit grammar