Govind Swarup was an Indian radio astronomer who made significant contributions to the field. He was the founder and director of the Giant Metrewave Radio Telescope (GMRT), the world's largest radio telescope at the time of its completion.

Aryabhata was the first Indian satellite to be launched into space. It was launched on April 19, 1975, and was named after the ancient Indian astronomer and mathematician Aryabhata.

R.P. Kudritza is an Indian astronomer who discovered the first extrasolar planet, HD 114762 b, in 1998.

Mangalyaan was the Indian space probe that was launched to Mars in 2013. It successfully entered Mars' orbit in September 2014, making India the first Asian country to reach Mars.

Jayant Narlikar is an Indian astronomer who is known for his work on the cosmic microwave background. He was one of the first scientists to propose that the cosmic microwave background is the remnant radiation from the Big Bang.

The Himalayan Chandra Telescope is an upcoming Indian telescope that is being built in the Himalayas. It is expected to be the world's largest optical telescope when it is completed.

Subrahmanyan Chandrasekhar was an Indian astronomer who is known for his work on black holes. He was awarded the Nobel Prize in Physics in 1983 for his work on the theory of black holes.

The Indian Space Observatory is a planned Indian space telescope that is expected to be launched in the 2030s. It will be a multi-wavelength telescope that will study the universe in X-ray, ultraviolet, and infrared light.

T. Padmanabhan is an Indian astronomer who is known for his work on gravitational waves. He was one of the first scientists to propose that gravitational waves could be detected using interferometers.

The Venus Orbiter Mission was an Indian space probe that was launched to Venus in 2018. It successfully entered Venus' orbit in December 2018, making India the first Asian country to reach Venus.

Jayant Narlikar is an Indian astronomer who is known for his work on the origin of the universe. He was one of the first scientists to propose that the universe is cyclic, meaning that it goes through a cycle of expansion and contraction.

Chandrayaan-1 was the Indian space probe that was launched to the Moon in 2008. It successfully entered lunar orbit in November 2008, making India the fourth country to reach the Moon.

Subrahmanyan Chandrasekhar was an Indian astronomer who is known for his work on the evolution of stars. He was awarded the Nobel Prize in Physics in 1983 for his work on the theory of stellar evolution.

The Jupiter Orbiter Mission is an Indian space probe that was launched to Jupiter in 2022. It is expected to arrive at Jupiter in 2029 and will study the planet's atmosphere, magnetosphere, and moons.

Jayant Narlikar is an Indian astronomer who is known for his work on the formation of galaxies. He was one of the first scientists to propose that galaxies are formed through the collision and merger of smaller galaxies.