S. Chandrasekhar was an Indian-American astrophysicist who won the Nobel Prize in Physics in 1983 for his work on the theory of white dwarf stars.

Aryabhata was an Indian mathematician and astronomer who lived in the 5th century CE. He was the first to propose that the Sun is the center of the solar system and that the Earth rotates on its axis.

Aryabhata was also the first to calculate the circumference of the Earth. He estimated the circumference of the Earth to be 49,672 kilometers, which is very close to the modern value of 40,075 kilometers.

Bhaskara II was an Indian mathematician and astronomer who lived in the 12th century CE. He was the first to develop a theory of gravity, which he called the 'force of attraction'.

Nilakantha Somayaji was an Indian mathematician and astronomer who lived in the 15th century CE. He was the first to develop a theory of planetary motion, which he called the 'gravitational force'.

Madhava of Sangamagrama was an Indian mathematician and astronomer who lived in the 14th century CE. He was the first to develop a theory of the solar system, which he called the 'heliocentric theory'.

Minorities in Indian astronomy have faced a number of challenges, including discrimination, lack of access to education, and lack of funding.

The current state of minority representation in Indian astronomy is improving. There are a number of programs and initiatives that are working to increase the participation of minorities in the field.

There are a number of things that can be done to increase the participation of minorities in Indian astronomy. These include increasing funding for minority astronomy programs, providing more scholarships and fellowships for minority students, and creating more opportunities for minority astronomers to mentor and network with other astronomers.

There are a number of benefits to increasing the participation of minorities in Indian astronomy. These include bringing new perspectives and ideas to the field, helping to address the challenges facing Indian astronomy, and making Indian astronomy more representative of the country's population.