Explanation:

Only statements 1&3 are correct.

Recently the Geological Survey of India (GSI), State Unit of Telangana organized a Geo-heritage walk at Pandavula Gutta.

• Pandavula Konda (Pandavula Gutta) site was first discovered in the year 1990.

• It is the one and only Geo-heritage site in Telangana district.

• Pandavula Gutta is a hillock older than Himalayas.

• Paintings – These cave paintings offer a rare glimpse into the prehistoric man’s rock art identified on walls and ceilings of caves, rock shelters and isolated boulders.

• Paleolithic cave paintings have been found at Pandavula Gutta.

• The rock art paintings depict wild life like Bison, Antelope, Tiger, and Leopard and so on.

• Other shapes like swastika symbol, circles and squares, weapons such as bows, arrows, sword and lancer and so on are present in these paintings.

• The paintings also feature geometrical designs and impressions in green, red, yellow and white pigment colours.

• Pandavula Gutta is rich in terms of number of paintings, rock shelters and its habitation, right from the Mesolithic to medieval times.

Hence option 2nd is correct.