During the reign of which of the following Mughal ruler 'Jizya' was reimposed on non-Muslim subjects?

Aurangzeb

The correct answer is Option (4) → Aurangzeb

Jizya, a tax imposed on non-Muslim subjects, was reimposed during the reign of Aurangzeb, the Mughal emperor. Aurangzeb is known for his conservative and orthodox policies, and he sought to enforce strict Islamic rule throughout the Mughal Empire. As part of his efforts to promote Islamic orthodoxy, he reinstated the Jizya tax on non-Muslims, which had been abolished by some of his predecessors like Akbar. This policy change marked a departure from the more tolerant and inclusive approach of earlier Mughal rulers and is one of the reasons why Aurangzeb is often seen as a more religiously conservative and less tolerant ruler compared to his predecessors.

So, the correct option is [4].