This letter was about Bok along with his wife was in India during the visit to State Observatory of Uttar Pradesh. He was grateful for the fine reception and gave many lectures, recommended some suggestion on the telescope and observatory.

This item was photo of visit of Prof.S.Chandrasekhar and Mrs.Chandrasekhar along with Prof.M.K.V.Bappu in IIA, Bangalore campus.

This item was about the visit of the Prof.S.Chandrasekher and Mrs.Chandrasekher in 1981. Dr.M.K.Vainu Bappu received them and visited the campus which was under the construction at that time.

This item was about the image of visit of former Prime Minister Jawaharlal Nehru to Kodaikanal Solar Observatory in 1961.

This item was about the visit of the Prof.S.Chandrasekhar and Lalitha Chandrasekhar in the optics lab of IIA Bangalore campus. Dr.M.K.Vainu Bappu explaining about the instrument from the optical lab.

The item is Letter from the Meteorological Department to the Director of Kodaikanal & Madras Observatories, containing a copy of letter No.543/43 dated 27 Oct 1903 from the Officer in charge, No.26 Party (Magnetic) to the Meteorological Reporter to the Government of India and Director General of Indian Observatories, proposing a visit of 7 to 10 days to the Colaba Magnetic Observatory during the latter part of January and Kodaikanal during the following month.

The item is a black and white photograph of Prof. Meghnad Saha's visit to the Kodaikanal Observatory in 1945. He was a member of the planning commission set up in 1937, and he is an Indian astrophysicist who is remembered for his theory of thermal ionization.

The album contains photos of Prof. B. V. Sreekantan's visit to Hoskote for land inspection.

This fonds contains images of various flowers and plants in Kavalur. The major types of flowers include Hawaiian hibiscus kavalur, lotus, roses, Bougainvillea, Scotch broom and Gul mohar. It also contains images of banana trees, jacaranda trees, pineapples, candlestick flowers and the observatory garden in Kavalur.

This fonds contains images of a building section, powerhouse, observatories, sliding shed, gate view in Kavalur, quarters in Kavalur, and some buildings near Kavalur village. It also has images of a roll of sheds in Kavalur.