Bhaskara II, also known as Bhaskaracharya, was an Indian mathematician and astronomer who lived in the 12th century. He is known for his contributions to number theory, including the discovery of the Fibonacci sequence, which he called the 'Manku' sequence.

The Yajurveda is one of the four Vedas, the sacred texts of Hinduism. It contains mathematical and astronomical knowledge, including the earliest known use of the decimal system, which was developed in India around 1500 BCE.

Panini is considered the father of Indian linguistics. He lived in the 4th century BCE and is known for his work on Sanskrit grammar, the 'Ashtadhyayi'. His work laid the foundation for the study of linguistics in India and influenced the development of linguistics in other parts of the world.

Aryabhata, also known as Aryabhata I, was an Indian mathematician and astronomer who lived in the 5th century CE. He is credited with developing the concept of zero and the decimal system, which revolutionized mathematics and laid the foundation for modern mathematics.

The Ashtadhyayi is an ancient Indian text that contains grammatical rules and principles of the Sanskrit language. It was written by Panini in the 4th century BCE and is considered one of the most important works on linguistics in the world. The Ashtadhyayi is known for its systematic and rigorous approach to grammar and its influence on the development of linguistics.

Yaska was an ancient Indian scholar who lived around the 6th century BCE. He is known for his contributions to the study of phonetics and phonology in ancient India. His work, the 'Nirukta', is considered one of the earliest works on linguistics and provides valuable insights into the sound system of Sanskrit and the relationship between language and meaning.

Brahmagupta was an Indian mathematician and astronomer who lived in the 7th century CE. He is known for his contributions to number theory, including the development of the concept of negative numbers and the use of negative coefficients in equations. His work, the 'Brahmasphutasiddhanta', is considered a landmark in the history of mathematics.

The Tolkappiyam is an ancient Indian text that contains grammatical rules and principles of the Tamil language. It is considered the oldest extant work on Tamil grammar and is attributed to the sage Tolkappiyar. The Tolkappiyam is divided into three books, which cover various aspects of Tamil grammar, including phonology, morphology, and syntax.

Bhartrihari was an ancient Indian philosopher and grammarian who lived around the 5th century CE. He is known for his contributions to the study of semantics and the relationship between language and meaning. His work, the 'Vakyapadiya', is considered a landmark in the history of Indian linguistics and has influenced the development of linguistics in India and beyond.

Aryabhata was an Indian mathematician and astronomer who lived in the 5th century CE. He is known for his contributions to trigonometry, including the development of the sine function and its applications in solving various mathematical problems.

The Kannada Sabdanusasana is an ancient Indian text that contains grammatical rules and principles of the Kannada language. It was written by Keshiraja in the 12th century CE and is considered one of the most important works on Kannada grammar. The Kannada Sabdanusasana covers various aspects of Kannada grammar, including phonology, morphology, and syntax.

Kautilya, also known as Chanakya, was an ancient Indian philosopher, economist, and political strategist who lived around the 3rd century BCE. He is known for his contributions to the study of pragmatics and the use of language in different contexts. His work, the 'Arthashastra', is considered a landmark in the history of Indian political thought and provides valuable insights into the use of language in diplomacy, statecraft, and governance.

Brahmagupta was an Indian mathematician and astronomer who lived in the 7th century CE. He is known for his contributions to algebra, including the development of the concept of the quadratic equation and its solutions. His work, the 'Brahmasphutasiddhanta', is considered a landmark in the history of mathematics.

The Andhra Sabdachintamani is an ancient Indian text that contains grammatical rules and principles of the Telugu language. It was written by Nannayya Bhattaraka in the 11th century CE and is considered one of the most important works on Telugu grammar. The Andhra Sabdachintamani covers various aspects of Telugu grammar, including phonology, morphology, and syntax.

Kautilya, also known as Chanakya, was an ancient Indian philosopher, economist, and political strategist who lived around the 3rd century BCE. He is known for his contributions to the study of language variation and the relationship between language and society. His work, the 'Arthashastra', provides valuable insights into the use of language in different social contexts and the importance of language in statecraft and governance.