Option b is the correct answer Evidence of rock-cut architecture in the context of the Harappa civilization was found in Dholavira. The rock-cut structures at Dholavira are located in the western part of the site. This suggests that they were used for religious or ritual purposes. The rock-cut structures at Dholavira are made of sandstone and are carved into the side of a hill. This shows the sophistication of the Indus Valley civilization's engineering skills. They were able to carve these structures into the rock without the use of modern tools and machinery. The rockcut structures are of various shapes and sizes, and some of them have pillars and other architectural features. This suggests that the Indus Valley civilization had a sophisticated understanding of architecture. They were able to design and construct a variety of structures, each with its own unique features. Important Tips Kot Diji It is located in present day Pakistan. There is evidence of statues of Bull. The statue of mother goddess have been excavated from here Amri It is located close to the west bank of the Indus river. It is in the Dadu district of Sindh, and lies to the south of Mohenjo Daro. It was discovered by N.G.Majumdar in 1929.