किस पाल शासक ने कन्नौज पर अस्थायी रूप से कब्जा कर लिया था और वहां एक भव्य दरबार का आयोजन किया था?

Who built the Shahi (Royal) road during his rule, which was later renovated and renamed the Grand Trunk Road by the British?

In which year was the Bahmani Sultanate established?

The 'Alai Darwaza', the entrance gate of Qutub Minar, was constructed during whose reign?