This fond comprises materials related to John Evershed, a prominent figure in Indian astronomy. He was an astronomer best known for his discovery of the Evershed effect, which he identified in 1909 while working at the Kodaikanal Solar Observatory in India. It includes office correspondence with local governmental and administrative bodies, along with proceedings and formal reports presented to the Government of India. It features detailed observational records and letters documenting significant celestial events such as planetary alignments, solar eclipses and comet sightings.

This fond comprises materials related to Dr. M. K. Vainu Bappu, a renowned Indian astronomer and founding director of the Indian Institute of Astrophysics. It includes personal correspondence, biographical details, and records of his achievements. The collection documents his participation in national and international conferences, seminars, workshops, and highlights his research on stellar evolution, stellar atmospheres and binary & multiple star systems, reflecting his significant contributions to astronomy.

This fond contains materials related to C. M. Smith, including correspondence with local government bodies, conference proceedings and official reports. It features letters from international scientists, highlighting global collaborations in astronomy during Smith’s tenure. The collection also includes detailed observation records from the Kodaikanal Observatory, reports on celestial events such as planetary alignments, solar eclipses and comet sightings as well as correspondence with fellow astronomers concerning ongoing research.