The Thirty Meter Telescope (TMT), the Atacama Large Millimeter Array (ALMA), and the Laser Interferometer Gravitational-Wave Observatory (LIGO) are all major projects that have involved significant collaboration between Indian and international astronomers.

The Giant Metrewave Radio Telescope (GMRT) was primarily designed to study pulsars and other compact objects, such as black holes and neutron stars.

Dr. Arvind Paranjpye, an Indian astronomer, was part of the team that discovered the first extrasolar planet orbiting a sun-like star, 51 Pegasi b, in 1995.

The Dark Energy Survey (DES) is a joint Indo-US project that aims to study the early universe and dark energy through observations of distant galaxies.

Dr. Subrahmanyan Chandrasekhar, an Indian-American astrophysicist, was awarded the Nobel Prize in Physics in 1983 for his work on the theory of black holes.

The International Astronomical Union (IAU) is an international organization that promotes collaboration among astronomers from different countries and facilitates the exchange of astronomical knowledge.

Dr. T. Padmanabhan, an Indian cosmologist and astrophysicist, is known for his work on the evolution of galaxies, the formation of stars, and black hole physics.

The Aditya-L1 mission is a joint Indo-French project aimed at studying the Sun's corona and understanding the processes that drive solar activity.

Dr. Jayant Narlikar, an Indian cosmologist and astrophysicist, is known for his work on the origin and evolution of the universe, including the Big Bang theory and the steady state theory.

The GAGAN project is a joint Indo-Russian project aimed at studying the Earth's magnetosphere and its impact on satellite navigation systems.

Dr. A. N. Pramesh Rao, an Indian astrophysicist, is known for his work on the formation and evolution of planetary systems, including the study of protoplanetary disks and the migration of planets.

The Suzaku mission is a joint Indo-Japanese project aimed at studying the X-ray universe and understanding the high-energy processes in celestial objects.

Dr. P. C. Vaidya, an Indian astrophysicist, is known for his work on the dynamics and evolution of galaxies, including the study of galaxy clusters and the formation of large-scale structures in the universe.

The CHARA project is a joint Indo-US project aimed at studying the formation and evolution of stars through observations of young stellar objects and binary star systems.

Dr. Sanjeev Dhurandhar, an Indian physicist and astrophysicist, is known for his work on the physics of black holes and neutron stars, including the study of gravitational waves and the properties of compact objects.