This letter was about spectra for H & K emission and sending a report on the condition of the Zeiss double monochromator.

This letter was about the Tungston Arc Lamp with power supply is being sent through A.Manickam, as instructed by director. He was seeking acknowledgement for the same to make necessary entries in the stock book.

This letter seeking a clear spell of an hour in the Sagittarius region and a spectrum of Upsilon Sagittari.

This letter was about the BARC image convention and the M. K. Vainu Bappu's visit.