Alai Darwaza in Delhi was built by Alauddin Khalji.
Alai Darwaza is located in Delhi.
Alai Darwaza was first sultanate building on scientific method.
Alauddin Khilji built the Alai Darwaza.
The Alai Darwaza was built by Alauddin Khilji in 1311 AD.
When did Alauddin Khilji built the Alai Darwaza?
Where is Alai Darwaza located?
Which ruler built the Alai Darwaza?
Who created Alai Darwaza in Delhi?