Answer: During the Medieval Delhi Sultanate era from 1000 to 1500, India as a whole experienced lasting population growth for the first time in a thousand years, with its population
Explanation: The sultanate reached the peak of its geographical reach during the Tughlaq dynasty, occupying most of the Indian subcontinent. This was followed by a decline due to Hindu reconquests, states such as the Vijayanagara Empire asserting independence, and new Muslim sultanates such as the Bengal Sultanate breaking off.