Answer : 3. "इल्तुतमिश"
Explanation :

The correct answer is Iltutmish. The Mongol Empire during 1221-1327 came up with many invasions in the Indian subcontinent with many of the later raids were made by the unruly Qaraunas of Mongol origin. it was during the reign of Iltutmish that the Mongols under Genghis Khan invaded India.