This letter mentions Dr.M. K. Vainu Bappu has been elected the President of the IAU for the term 1979-1982, followed by Bappu's distinguished life since his education from Hyderabad to Harvard and his contributions, awards, honours and leadership at national and international levels.

This letter concerns the role of astronomy. The contribution of astronomy to scientific development and the significant achievements and its continuous efforts.

This letter was about the demand of plates.

This letter informing estimate about the provision for wooden floors to the bedrooms also and for tiling the roofo the outhouses to the quarters

This letter was related to speech delivered by Dr.M. K. Vainu Bappu, Director, IIA on the celebration of Silver Jubilee of Uttar Pradesh Observatory, Nainital, on 4th Novermber 1979

This letter was about the appointment of Dr.M. K. Vainu Bappu as a "Teaching Fellow in Astronomy" for one year from July 1, 1950.

The letter is to the Sub Divisional Officer, PWD, Kodaikanal, requesting to arrange for the painting of the thermometer house, magnetic hut and office room during that year.

The letter is from the Director of Kodaikanal and Madras Observatories stating a report on the Nawab Zafar Jung Bahadur's telescopes. It states the conditions pertaining to the telescopes and how their location has affected the tests.

This is Reply letter to U.O. No. 1921 of 3rd May to the Director General of Observatories from John Evershed about a suggestion of exposing of Grass Minimum thermometer at the highest point of hill away from trees or bushes.

This reply letter was sent to the Superintendent of Telegraphs from John Evershed, enclosing the rainfall statistics of Kodaikanal Observatory, which was requested in the previous letter.