Who built Adhai din ka jhonpra ?

Qutubuddin Aibak built Kuwat-ul-Islam Mosque in Delhi and Arai Din Ka Jhopra in Ajmer.
Also Know:
○ Qutubuddin was one of its commanders. Ikhtiyar Uddin Muhammad bin Bakhtiyar Khalji.
○ When the childless Mohammad Ghuri died in AD 1206, Qutbuddin Aibak broke all ties with Ghazni and declared himself as an independent man.
○ He assumed the title of Sultan in 1208 AD.
○ Aibak word means slave.