The correct answer is D. All of these.
Magadh division is one of the three divisions of the Indian state of Bihar. It consists of the following districts:
- Arwal
- Aurangabad
- Gaya
- Jehanabad
- Nalanda
- Rohtas
- Sheikhpura
The division is named after the ancient kingdom of Magadha, which was located in the same area. Magadha was one of the most powerful kingdoms in India during the ancient and medieval periods. It was the birthplace of Gautama Buddha, the founder of Buddhism.
The Magadh division is a major economic and cultural center in Bihar. It is home to a number of important historical and religious sites, including the Mahabodhi Temple, which is a UNESCO World Heritage Site.
The division is also home to a number of universities, including the Nalanda University, which is one of the oldest universities in the world.