Meghnad Saha is widely regarded as the father of modern Indian astrophysics. He made significant contributions to the field, including the development of the Saha ionization equation.

Subrahmanyan Chandrasekhar is renowned for his work on black holes and the theory of general relativity. He received the Nobel Prize in Physics in 1983 for his contributions to these fields.

Aryabhata was India's first satellite, launched in 1975. It was named after the renowned Indian mathematician and astronomer Aryabhata.

The Indian Space Research Organisation (ISRO) is the national space agency of India. It is responsible for the country's space program and has made significant contributions to the field of astrophysics.

Chandrayaan-1 was India's first lunar mission, launched in 2008. It successfully orbited the Moon and collected valuable scientific data.

Vikram Sarabhai is known for his work on cosmic rays and the discovery of the cosmic microwave background radiation. He played a significant role in the development of India's space program.

Mangalyaan was India's first interplanetary mission, launched in 2013. It successfully reached Mars and became the first Asian spacecraft to orbit the Red Planet.

Roger Penrose is a British mathematician and physicist who has made significant contributions to the theory of black holes and the Penrose-Hawking singularity theorems. He is not an Indian astrophysicist.

Gaganyaan is India's first human spaceflight mission, scheduled for launch in 2023. It aims to send three astronauts into space and bring them back safely.

Juan Maldacena is an Argentinian physicist who has made significant contributions to the theory of quantum gravity and the AdS/CFT correspondence. He is not an Indian astrophysicist.

ASTROSAT is India's first space telescope, launched in 2015. It is designed to study a wide range of astronomical objects, including stars, galaxies, and black holes.

Andrei Linde is a Russian-American physicist who has made significant contributions to the theory of cosmic inflation and the multiverse. He is not an Indian astrophysicist.

Mangalyaan was India's first mission to Mars, launched in 2013. It successfully reached Mars and became the first Asian spacecraft to orbit the Red Planet.

Saul Perlmutter is an American astrophysicist who has made significant contributions to the theory of dark energy and the cosmological constant problem. He is not an Indian astrophysicist.

Shukrayaan-1 is India's first mission to Venus, planned for launch in 2023. It aims to study the planet's atmosphere, surface, and interior.