Subrahmanyan Chandrasekhar made significant contributions to the study of planetary nebulae, including the development of the theory of radiative transfer in nebulae and the discovery of the Chandrasekhar limit, which is the maximum mass of a white dwarf star.

The Indian Institute of Astrophysics (IIA) is a premier research institute in India dedicated to the study of astronomy and astrophysics. It has made significant contributions to the study of nebulae, including the discovery of new nebulae and the investigation of their physical properties.

T.P. Prabhu is an Indian astronomer who has made significant contributions to the study of the chemical composition of nebulae. He has used spectroscopic observations to determine the abundances of various elements in nebulae, providing insights into their formation and evolution.

Astrosat is an Indian satellite that was launched in 2015 to study the X-ray emission from celestial objects, including nebulae. It carries a suite of instruments that allow it to observe X-rays in a wide range of energies, providing valuable data for the study of nebulae evolution.

Jayant Narlikar is an Indian astronomer who has made significant contributions to the study of the dynamics of nebulae. He has developed theoretical models to explain the observed motions of gas and dust in nebulae, providing insights into their formation and evolution.

The Giant Metrewave Radio Telescope (GMRT) is a large radio telescope located in India. It is used to study the radio emission from various celestial objects, including nebulae. The GMRT has made significant contributions to the study of nebulae evolution, providing insights into their structure and dynamics.

T.P. Prabhu is an Indian astronomer who has made significant contributions to the study of the infrared emission from nebulae. He has used infrared observations to determine the temperatures and densities of nebulae, providing insights into their physical properties and evolution.

The Hanle Observatory is an astronomical observatory located in India at high altitude. It is used to study various celestial objects, including nebulae. The high altitude of the observatory allows it to observe in the infrared and submillimeter wavelengths, which are important for studying the evolution of nebulae.

R.P. Kudritzki is an Indian astronomer who has made significant contributions to the study of magnetic fields in nebulae. He has used spectroscopic observations to determine the strength and orientation of magnetic fields in nebulae, providing insights into their formation and evolution.

The UVIT (UltraViolet Imaging Telescope) is an astronomical instrument onboard the AstroSat satellite. It is used to study the ultraviolet emission from various celestial objects, including nebulae. The UVIT has made significant contributions to the study of nebulae evolution, providing insights into their structure and composition.

S.K. Trehan is an Indian astronomer who has made significant contributions to the study of the role of turbulence in nebulae evolution. He has developed theoretical models to explain the observed properties of turbulent nebulae, providing insights into their formation and evolution.

The Himalayan Chandra Telescope (HCT) is an astronomical telescope located in India. It is used to study the polarization of light from various celestial objects, including nebulae. The HCT has made significant contributions to the study of nebulae evolution, providing insights into their magnetic fields and dynamics.

Govind Swarup is an Indian astronomer who has made significant contributions to the study of the interaction between nebulae and their surroundings. He has used radio observations to investigate the effects of stellar winds and supernova explosions on nebulae, providing insights into their evolution.

The Cosmic Microwave Background Experiment (CMBEx) is an astronomical instrument located in India. It is used to study the cosmic microwave background radiation, which is the leftover radiation from the Big Bang. The CMBEx has made significant contributions to the study of nebulae evolution, providing insights into their formation and early history.