The Deccan is the southern region of India. It’s also referred to as peninsular India because it covers most of the Indian peninsula. At the center of the Deccan is a large tableland, or plateau. The Deccan lies south of the Indo-Gangetic Plain, a large, flat plain that runs through parts of eastern Pakistan, northern India, and Bangladesh. The Deccan has an area of 735,000 square miles (1.9 million square kilometers).
The word Deccan…