Aryabhata is widely regarded as the father of Indian astronomy due to his groundbreaking work in the 5th century CE.

Aryabhata proposed the heliocentric model in his treatise Aryabhatiya, which placed the Sun at the center of the solar system.

Brahmagupta is credited with developing the concept of zero and the decimal system, which revolutionized mathematics.

Bhaskara II made significant contributions to indeterminate equations, also known as Diophantine equations.

Bhaskara II wrote Lilavati, a comprehensive treatise on arithmetic and geometry.

Varahamihira developed the mean motion theory, which provided a more accurate calculation of planetary positions.

Varahamihira authored Brihat Samhita, an extensive work covering a wide range of subjects.

Bhaskara II developed the chakravala method, a powerful technique for solving indeterminate equations.

Brahmagupta made significant contributions to spherical astronomy and trigonometry.

Aryabhata calculated the value of pi to four decimal places, a remarkable achievement for his time.

Aryabhata developed the concept of the sine function and applied it in astronomical calculations.

Bhaskara II studied the Fibonacci sequence and provided a mathematical explanation for its properties.

Bhaskara II developed the concept of Pascal's triangle and explored its applications in combinatorial mathematics.

Varahamihira made significant contributions to the study of eclipses and planetary conjunctions.