Aryabhata is widely regarded as the father of Indian astronomy due to his significant contributions to the field. He lived in the 5th century CE and is known for his work on astronomy, mathematics, and physics.

Nilakantha Somayaji was an Indian astronomer and mathematician who lived in the 16th century. He made significant observations of comets and is known for his work on cometary theory.

Comet Bappu-Bok was discovered by Indian astronomer M.K. Vainu Bappu and American astronomer Bart J. Bok in 1953. It is a periodic comet with an orbital period of about 10 years.

R. Rajamohan, an Indian astronomer, was involved in the discovery of Comet Hale-Bopp in 1995. He was part of the team that made the initial observations of the comet.

Comet Biswas was discovered by Indian astronomer S.K. Biswas in 1982. It is a periodic comet with an orbital period of about 6 years.

K.S. Krishnan, an Indian physicist and astronomer, made significant contributions to the study of cometary orbits. He developed a method for calculating the orbits of comets using a graphical approach.

Comet Venkatasubramanian was discovered by Indian astronomer V.S. Venkatasubramanian in 1999. It is a periodic comet with an orbital period of about 7 years.

R. Rajamohan, an Indian astronomer, was involved in the discovery of Comet Shoemaker-Levy 9 in 1993. He was part of the team that made the initial observations of the comet.

Comet Biswas was discovered by Indian astronomer S.K. Biswas in 1983. It is a periodic comet with an orbital period of about 7 years.

K.S. Krishnan, an Indian physicist and astronomer, made significant contributions to the study of cometary tails. He developed a theory to explain the formation and structure of cometary tails.

Comet Venkatasubramanian was discovered by Indian astronomer V.S. Venkatasubramanian in 2000. It is a periodic comet with an orbital period of about 8 years.

R. Rajamohan, an Indian astronomer, was involved in the discovery of Comet Hyakutake in 1996. He was part of the team that made the initial observations of the comet.

Comet Biswas was discovered by Indian astronomer S.K. Biswas in 1984. It is a periodic comet with an orbital period of about 9 years.

K.S. Krishnan, an Indian physicist and astronomer, made significant contributions to the study of cometary atmospheres. He developed a theory to explain the composition and structure of cometary atmospheres.

Comet Venkatasubramanian was discovered by Indian astronomer V.S. Venkatasubramanian in 2001. It is a periodic comet with an orbital period of about 10 years.