The correct answer is D. Jhadis.
Jharkhand was known as Jhadis during the Mughal period. The Mughals ruled over Jharkhand from the 16th to the 18th centuries. During this time, the region was divided into a number of small kingdoms, which were often at war with each other. The Mughals were able to conquer most of Jharkhand, but they were never able to fully control the region. The Jhadis were a group of tribal people who lived in Jharkhand. They were known for their fierce independence and their resistance to Mughal rule. The Mughals were never able to fully subdue the Jhadis, and they continued to raid Mughal territory even after the Mughals had conquered most of Jharkhand.
Option A, Khukhra, is incorrect. Khukhra was a small kingdom that existed in Jharkhand during the Mughal period. However, it was never a major power, and it was eventually conquered by the Mughals.
Option B, Magadh, is incorrect. Magadh was an ancient kingdom that existed in the region that is now Jharkhand. However, it was long gone by the time of the Mughal period.
Option C, Awadh, is incorrect. Awadh was a major Mughal province that existed in the northern part of India. However, it did not include Jharkhand.