Qutub Minar  and  Quwwat-al-Islam  (might of Islam), the earliest extant mosque in India. [4] [26]  After the fall of the Slave dynasty, a succession of  Turkic  dynasties, the  Khilji dynasty , the  Tughluq dynasty , the  Sayyid dynasty  and the  Lodhi dynasty  held power in the late medieval period, and built