The correct answer is D. S.R. Rao.
S.R. Rao was an Indian archaeologist who excavated the site of Alamgirpur in 1958-1960. He found that Alamgirpur was a major city of the Indus Valley Civilization, with a population of around 20,000 people. The city was located on the banks of the Yamuna River, and it had a well-developed system of drainage and sanitation. The people of Alamgirpur lived in houses made of mud bricks, and they practiced agriculture. They also traded with other parts of the Indus Valley Civilization, and they imported goods such as copper and ivory.
Alamgirpur is the easternmost outpost of the Indus Valley Civilization that has been excavated. It is located in the state of Uttar Pradesh, India. The site was first excavated in 1958-1960 by S.R. Rao. He found that Alamgirpur was a major city of the Indus Valley Civilization, with a population of around 20,000 people. The city was located on the banks of the Yamuna River, and it had a well-developed system of drainage and sanitation. The people of Alamgirpur lived in houses made of mud bricks, and they practiced agriculture. They also traded with other parts of the Indus Valley Civilization, and they imported goods such as copper and ivory.
Alamgirpur is an important site for understanding the Indus Valley Civilization. It provides evidence of the civilization’s expansion into eastern India, and it shows that the Indus Valley people were a sophisticated and advanced culture.