These photographic slides contain photos of workshops held in Kodaikanal and some instrument photos. Here also, we can find pictures of Peter's workshop on the 30-inch hydraulic slew clinch, Millino machine, Arbudaraj Bandsaw machine, Old Lathe machine, and one photo of Kodaikanal Library and 6-inch North dome.

These photographic slides contain photos of the Kodaikanal Observatory, Domes, Spectro, and Solar tunnel.

These photographic slides contain photos of Bhavnagar 20-inch Dome, Hydrolic gate from spectroheliograph, etc.

This fonds encompasses photographic slides showcasing prominent tourist destinations. It features diverse images, including Amherstia nobilis and Brownea coccinea in Lal Bagh, Bangalore, the old falls in Kutralam, Tamil Nadu, a scene of an elephant lifting a log on the roads of Munnar, fishing boats in the Bay of Bengal, and a tea garden in Munnar. Additionally, the collection includes images capturing the Krishnagiri Forts in Tamil Nadu, the Hare Island Lighthouse in Thoothukudi, and a compelling photograph of an elephant working at a logging camp in Thekkady.

These photographic slides contain pictures of sightseeing on the way to Leh from Delhi. It contains survey pictures of the West hill of Mt. Nimmu and the base camp of Mt. Nimmu, the Himalayan ranges, and the set-up on the East hill of Mt. Nimmu.

These photographic slides contain pictures of sightseeing on the way to Leh from Delhi. It has photos of the beautiful Indus Valley, the Indus River, a cloud-free clear sky for observation, and the East hill of Mt. Nimmu top.

These Photographic slides contain the observations of the survey from the Mt. Nimmu base.

These photographic slides contain some places where the solar eclipse was seen, the eclipse tower, the spectrograph, and a few photographs of J.C. Bhattacharya.

These photographic slides contain the 6-inch telescope at Mount Nimmu top on an astronomical site survey at Leh-Ladakh during 1984-1989.

These Photographic slides contain compressed photographs of a 20-inch telescope building, dome, guest house, photometer, and Bhavnagar telescope at Leh.