The correct answer is: D. Mal Dev
Mal Dev was the most powerful ruler of the Chauhan dynasty. He ruled Jammu from 1370 to 1420 AD. During his reign, Jammu witnessed a golden period of peace and prosperity. He built many temples, forts, and other public buildings. He also extended his kingdom to include the neighboring areas of Poonch, Rajouri, and Kathua.
Gohar Dev was the founder of the Chauhan dynasty. He ruled Jammu from 1170 to 1190 AD. He was a brave and capable ruler. He defeated the neighboring rulers and extended his kingdom. He also built many temples and forts.
Jag Dev was the son of Gohar Dev. He ruled Jammu from 1190 to 1210 AD. He was a wise and just ruler. He promoted education and trade. He also built many temples and forts.
Damodar Dutt was the son of Jag Dev. He ruled Jammu from 1210 to 1230 AD. He was a weak and incompetent ruler. He was defeated by the neighboring rulers and lost much of his kingdom.
Therefore, the correct answer is: D. Mal Dev