`Zapti' is the land revenue system introduced by 

'AshtraPratan' was the council of Ministers of :

`Purana Quila' in Delhi was built by 

Ibn Batuta, the famous Arab Scholar visited India during the reign of

Qutb-ud-din Aibak built the Quwaat-ul-Islam mosque to commemorate his capture

The king on the throne of Vijayanagar at the time of the battle of Talikota