Market regulation system was introduced by Ala-ud-Din Khilji. He was the second and the most powerful ruler of the Khalji dynasty that ruled the Delhi Sultanate in the Indian subcontinent.
1. The author of the novel 'Atonement' is Ian McEwan. 2. The author of the novel 'The Sound and the Fury' is L. Ron Hubbard. 3. The author of the novel 'White Teeth' is Zadie Smith.