This letter was written to the Director General of Observatories, Simla, from Kodaikanal, regarding the requirement for new buildings for Poona instruments. This letter mentioned the instruments' names like the 20-inch Equatorial Reflector, Poona revolving dome, 8-inch lens and siderostat, 6-inch Cooke photovisual equatorial and detailed requirements for constructing buildings for those instruments.

This letter to the Director General of Observatories, Simla from Rai Bahadur Bishun Svarup directing to request to send a copy of a type plan or approved design for a small observatory with a revolving dome about 18' or 20' diameter showing mounting for the dome and revolving gear etc.

The letter is to The Director General of Observatories, Simla forwarding a plan and an estimate for re-roofing the spectroheliograph building and saying its necessity to prevent the rise in temperature.

The letter is to the Director General of Observatories, enclosing a list of instruments used in the Kodaikanal Observatory.

A letter to the Director from the chairman of kodaikanal municipal council about the unsatisfactory design of latrine at the new photographic assistant quarters

This letter was sent to the Director from Gilbert T Walker informing that all readings from Kodaikanal would be corrected for instrument error

This letter was sent to the director asking for providing free quarters for the photographic assistant at Kodaikanal Observatory compound

A letter to the director for constructing an estimate about Rs. 2909 for constructing photographic assistant at observatory

This letter to the director asking would he provide free quarter for a postmaster in case post and telegraph office be opened at observatory

This is a letter to the Chief Secretary to the soul of Madras to bring a notice about construction of astronomical telescopes entirely by indigenous labour