निम्नलिखित में से कौन सा मुगल शासक अपने ही पुत्र द्वारा कैद में रखा गया 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?