The correct answer is B. Azimabad.
Patna was founded in the 6th century BCE by the Magadha Empire. It was later ruled by the Gupta Empire, the Pala Empire, and the Sena Empire. In 1576, the Mughal emperor Akbar conquered Patna and renamed it Azimabad after his wife, Mumtaz Mahal. Azimabad remained the capital of the Mughal province of Bihar until the end of the Mughal Empire in the 18th century.
Islamabad is the capital of Pakistan. It was founded in 1960 by the first president of Pakistan, Muhammad Ali Jinnah.
Aurangabad is a city in the Indian state of Maharashtra. It was founded in 1610 by the Mughal emperor Aurangzeb and named after him.
Fatehabad is a city in the Indian state of Haryana. It was founded in 1193 by the Tomar Rajput ruler, Prithviraj Chauhan.