The event was conducted in the Bangalore campus on 10th August and Kavalur observatory on 11th August 2011. The photos include talks by renowned personalities and guests, group photos and also taken during the conversation.

The fond contain compilition of Newspaper clipping, photographs and graphs of Uranus ring observed at Kavalur observatory

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

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

This letter was about water vapour measurement made at Kodaikanal.

The CD contains photos of the ceremony of J. C Bhattacharya's 1.3 meter telescope. It also contains photos of various eminent persons' speeches etc.

This letter was to replying Dr.M. K. Vainu Bappu for telling the improvements required in the spectra for H & K emission.

This letter was explaining the Saxena's present programme of going to Lucknow.

This letter was about spectroheliograms that Saxenas sent to him. He suggested to improve on this by another factor of 200%. He explains his idea to work on spectroheliogram.

The letter is about water vapour observations. Bappu was also asking whether the point source lamp was used. He also mentioned that he would be in Bangalore on April 27.