What is ‘Adhai Din ka Zhonpda’?

Quwwat-ul-Islam Mosque and Arhai Din Ka Jhonpra are situated respectively at :

What is the military-device referred to by the term manjaniq?

In which year did Timur Lung attack India?

Who was the ruler of Devagiri at the time of Alauddin Khalji’s invasion?

Malik Kafur also known as "Hazar Dinari" was bought by whom?