The Tughlaq dynasty (Persian: تغلق شاهیان) (Ṭughlāq or Arabic script: تغلق‌/طغلق‎) also referred to as Tughluq or Tughluk dynasty, was a Muslim dynasty of Turkic origin which ruled over the Delhi sultanate in medieval India. Its reign started in 1320 in Delhi when Ghazi Malik assumed the throne under the title of Ghiyath al-Din Tughluq. The dynasty ended in 1413.The dynasty expanded its territorial reach through a military campaign led by Muhammad bin Tughluq, and reached its zenith between 1330 and 1335. It ruled most of the Indian subcontinent.