This fond contains materials related to John Evershed that contains general local office materials including letters of all local government and administrations, proceedings, reports to the government of India etc., A large portion of the collection series contains information on observations from various scientists.

The fond contains documents of Thomas Royds, the past director of Kodaikanal Solar Observatory. It consists of mainly official letters, administrative documents, pay slips and handwritten documents related to Thomas Royds.

This fond contains official letters, photographs, and administrative files related to P. R. Chidambara Ayer during the years 1919-1932.

This fond contains letters, several photographs, and observations related to A. A Narayana Ayer during the year 1913-1920.

The handwritten document was an explanatory memo by John Evershed, signed in 1918. A. A. Narayana Ayyar was the 3rd Assistant of the Solar Physics Observatory, Kodaikanal, from 1913 to 1918. During that period, he also served as the 2nd Assistant of the Observatory for more than one year. The memo was about the approval of the allowance provided to A. A. Narayana Ayyar for the service as 2nd Assistant. The exact dates during which he acted as the 2nd Assistant of the Observatory are also mentioned in the document.

The order was related to granting leaves to R. Ll. Jones for 11 months and ten days. R. Ll. Jones was working as the Meteorologist at Madras and Deputy Director of the Madras Observatory.

This item was a order of the extension of leave granted by His Majesty's Secretary of State for India extension of leave or permission to return to duty as advised in list dated the 13th October 1920

The award letter was regarding the order of the Indian Empire Certificate by George the Fifth of the United Kingdom of Great Britain and Ireland to John Evershed, Director of the Kodaikanal Observatory, Madras. Evershed was nominated and appointed to be the Ordinary Companion of the said Most Eminent Order of the Indian Empire.

This item was about the Padma Bhushan Award honoured to M.K.Vainu Bappu on 28-03-1981. The Padma Bhushan is the third-highest civilian award in India. It is awarded for "distinguished service of a high order". The award was established on January 2, 1954.

This item was about the sketch of the path of a total solar eclipse that occurred in India in 1868. It depicts the Peninsula of India and shows the track of the Moon's shadow during the eclipse on August 17, 1868. The sketch was created by V.T. & A.K. Johnston in Edinburgh and includes scalar measurements at the bottom.