The album contains photographs taken during the unveiling ceremony of the bicentennial plaque at IIA Bangalore campus on 06 January 1987. The bicentennial plaque was unveiled by Prof M. G. K. Menon, former chairman of the Indian Space Research Organisation (ISRO), to commemorate the bicentennial of the setting up an observatory at Madras by Wiliam Petrie in 1786 to which the Indian Institute of Astrophysics traces the origin.

This letter was about the request of the government astronomer to arrange the six rain-gauges for use in the North Arcot district.

The proceeding holds information of the Board of Revenue Settlement, R.NO. 608, on the paper of the letter from C.H. Mounsey to report of the earthquake that was felt at night 3-9 a.m.

This proceedings was concerns about the photographs of an eclipse and the communication between Meteorological reporter to the government of India.

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 is a proposal letter from the revenue department of the Government of Madras regarding the adoption of standard time in India. The proposal discusses fixing an Indian Standard Time for all Indian railways and telegraphs. It will be precisely 5.30 hours ahead of Greenwich Mean Time and 9 minutes ahead of Madras Time. Additionally, the proposal suggests fixing a Burma Standard Time for use on all railways and telegraphs in Burma, which will be precisely 6.30 hours ahead of Greenwich Mean Time and 5 minutes ahead of Rangoon time.

This letter was from the Director of Kodaikanal & Madras Observatory informing about the erection of new buildings for Poona instruments and outside painting of Observatory Domes, the Spectroheliograph building and the magnetic observatory.

The letter was from Thomas Royds, Assistant Director of Observatory, Kodaikanal to G.C. Simpson, the Imperial Meteorologist, Simla. Through this document, Thomas Royds conveyed a new method for taking the mean wind directions in this letter. The document was written in 1914 from Solar Physics Observatory, Kodaikanal.

This is a reply letter referring the previous letter the correct meaning of "Solar Physics Observatory Office portion" and "Engine Room" and also requested to furnish the certificate at an early date as the objection has been pending for over 2 months.

Reply letter regarding furnishing some instruments whose list is enclosed with this