Aryabhata, a renowned Indian mathematician and astronomer, introduced the concept of zero as a placeholder and a number in his treatise, the Aryabhatiya, written in the 5th century CE.

Brahmasphuta Siddhanta is a comprehensive mathematical and astronomical treatise written by Brahmagupta in 628 CE. It covers topics such as arithmetic, algebra, geometry, and astronomy.

Bhaskara II, also known as Bhaskaracharya, is credited with developing the Fibonacci sequence in the 12th century CE. He presented it in his book, the Lilavati, as a method for solving problems involving interest calculations.

Brahmi numerals are the earliest known numerals used in India. They evolved from the Indus Valley script and were widely used from the 3rd century BCE to the 10th century CE.

Aryabhata made significant contributions to trigonometry, including the development of the sine function. He also formulated the Aryabhata sine table, which provided values of the sine function for different angles.

Sanskrit is an ancient Indo-Aryan language that is considered the ancestor of most modern Indo-Aryan languages, including Hindi, Bengali, Marathi, and Gujarati.

Panini is a renowned Indian grammarian who lived in the 4th century BCE. His treatise, the Ashtadhyayi, is a comprehensive work on Sanskrit grammar that describes the rules for forming words and sentences.

The Rigveda is the oldest of the four Vedas, a collection of ancient Indian texts. It contains a large number of hymns and is considered to be one of the most important religious texts in Hinduism.

Kanada is an ancient Indian philosopher who lived in the 6th century BCE. He is known for his theory of atomism, which states that the universe is composed of tiny, indivisible particles called atoms.

Ayurveda is an ancient Indian system of medicine that emphasizes the balance of three doshas (humors) in the body: vata, pitta, and kapha. It aims to maintain health and prevent disease through a holistic approach that includes diet, lifestyle, and herbal remedies.

Srinivasa Ramanujan was a brilliant Indian mathematician who lived in the early 20th century. He made significant contributions to calculus, including the development of the Taylor series and the Ramanujan prime.

Jantar Mantar is a collection of astronomical observatories built by Maharaja Jai Singh II in the 18th century. It consists of five observatories located in Delhi, Jaipur, Ujjain, Varanasi, and Mathura.

Brahmagupta was a renowned Indian mathematician who lived in the 7th century CE. He made significant contributions to number theory, including the development of the Pell equation, which is a Diophantine equation that involves finding integer solutions to a quadratic equation.

Panchatantra is an ancient Indian collection of fables and stories with moral lessons. It was originally written in Sanskrit and has been translated into many languages around the world.

Baudhayana was an ancient Indian mathematician who lived in the 8th century BCE. He is known for his contributions to geometry, including the development of the Pythagorean theorem, which states that in a right triangle, the square of the hypotenuse is equal to the sum of the squares of the other two sides.