The photographic slides contain images of the 15-inch telescope in Kavalur from 1969 to 1971.

The photographic slides contain images of the 40-inch telescope control desk, it's construction, reparing of it's dew cap from 1971 to 1984.

The photographic slides contain images of the 40-inch telescope, its parts like the plate holder, Cass coude ring, and observer guiding at Cass coude focus.

The photographic slides contain images of the Kavalur building construction, the 40-inch telescope and its nearby places.

The photographic slides contain images of Ritchey Chretien, Raheem and Nadhan at Kavalur, a rite of the first hut, a 16-inch telescope, a 30-inch drive circuit microprocessor, ribbon cutting at STARS(1977 Jan 23), 6-inch telescope, Schimt telescope, etc in Kavalur Observatory.

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

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