Q. The reign of Iltutmish is associated with which of the following periods?
Answer: c.1211–1236 CE
Notes: Iltutmish ruled from 1211 to 1236 CE, consolidating the Delhi Sultanate after Aram Shah. He introduced the silver tanka and copper jital, completed the Qutub Minar, and established the Iqta system. He was the first Muslim ruler to receive investiture from the Caliph of Baghdad.