The National Centre for Radio Astrophysics (NCRA) in Pune, India, has made significant contributions to the study of pulsars, including the discovery of the first millisecond pulsar.

The Himalayan Chandra Telescope (HCT) located at Hanle, Ladakh, is the largest optical telescope in India with a mirror diameter of 2 meters.

The Tata Institute of Fundamental Research (TIFR) in Mumbai, India, operates the Cosmic Ray Observatory, which is dedicated to the study of cosmic rays and their interactions with the Earth's atmosphere.

AstroSat is an Indian satellite mission dedicated to studying X-ray sources in the universe. It was launched in 2015 and carries five instruments for X-ray astronomy.

The Ultra-Violet Imaging Telescope (UVIT) onboard the AstroSat mission has made significant contributions to the study of gamma-ray bursts, providing valuable insights into their properties and origins.

The Himalayan Chandra Telescope (HCT) is located in the Himalayas at Hanle, Ladakh, and is primarily used for optical astronomy, including observations of galaxies, stars, and other celestial objects.

The Giant Metrewave Radio Telescope (GMRT) located near Pune, India, has made significant contributions to the study of radio galaxies, helping astronomers understand their structure, evolution, and role in the universe.

The Vainu Bappu Observatory (VBO) in Kavalur, India, played a crucial role in the discovery of the first extrasolar planet orbiting a Sun-like star, 51 Pegasi b, in 1995.

The Indian Institute of Astrophysics (IIA) in Bengaluru, India, has made significant contributions to the study of active galactic nuclei (AGN), including observations of their properties, variability, and evolution.

The Indian Infrared Telescope (IRT) located at Hanle, Ladakh, is primarily dedicated to the study of infrared astronomy, allowing astronomers to observe cool objects and regions in the universe.

The Laser Interferometer Gravitational-Wave Observatory (LIGO) is a joint project between the United States and India, with the Indian contribution coming from the Inter-University Centre for Astronomy and Astrophysics (IUCAA). LIGO has made groundbreaking discoveries of gravitational waves, providing insights into the properties of black holes and other compact objects.

The Aryabhatta Research Institute of Observational Sciences (ARIES) in Nainital, India, is dedicated to the study of solar astronomy, including observations of the Sun's activity, structure, and evolution.

The Indian Institute of Astrophysics (IIA) in Bengaluru, India, has made significant contributions to the study of planetary nebulae, including observations of their structure, composition, and evolution.

The Tata Institute of Fundamental Research (TIFR) in Mumbai, India, operates the High Energy Astrophysics Laboratory, which is primarily used for the study of high-energy astrophysics, including observations of gamma rays, X-rays, and cosmic rays.