This item was about Suri Bhagavantam, who took over as scientific advisor to the Defence minister and Director General of DRDO in July 1961. he played a pivotal role in building up laboratories and advancement in research the land, war, and Air defence. It also speaks on his education, inspiration and achievements in physics. He has also written hundreds of research papers and is an erudite scholar in Sanskrit and Telugu.

This item was about the Prof K S Krishnan's journey from a rural background to becoming a renowned scientist and sharing the Nobel Prize with his mentor, Dr. C V Raman, is truly inspiring. Born on December 4, 1898, in the village of Watrap in Tamilnadu's Tirunelveli district, Krishnan moved to Madurai after matriculation and was drawn to the scientific work of C V Raman. Krishnan then went to Calcutta to work as a research associate under Raman and made significant discoveries in optical physics that led to the discovery of the Raman effect.

This fond contains letters, annual expenditure reports and bills of Kodaikanal and Madras Observatories. It also contains correspondence of John Eliot,Charles Michie Smith and R.E.V.Arbuthnot during July 1901 to March 1903 regarding the index slip, meteorological summaries, seismological reviews and disturbances and other reports like annual expenditure, bills, and telegraphs. It has a report on the condition and proceedings of the government observatory, Colaba, written by N.A.F.Moos. It also has letters from the Royal Society of India, H. Grubb, J. Larmer, R. Fuess, William Butler and Charles P. Butler to the Meteorological Department and Kodaikanal & Madras Observatory.