The correct answer is option 'C' - Muhammad-bin-Tughlaq.


During the medieval period, Delhi was ruled by various dynasties, and the sultans of Delhi played a crucial role in shaping the political and cultural landscape of the region. One such influential ruler was Muhammad-bin-Tughlaq, who ascended the throne in 1325 CE.


Muhammad-bin-Tughlaq was known for his eccentric and unconventional policies. He was interested in exploring different religions and cultures, which led him to seek permission from the Mongol monarch of China to visit certain Buddhist temples. This embassy from the Mongol monarch demonstrates Muhammad-bin-Tughlaq's interest in Buddhism and his desire to explore the faith.


The Mongol monarch of China during that time was Emperor Toghon Temür, who ruled the Yuan Dynasty (1279-1368 CE). The Mongols had a significant influence in China, and their empire extended to various regions, including present-day Mongolia, China, and parts of Central Asia. It was common for rulers of different regions to send embassies to establish diplomatic relations and seek permission for various purposes.


Muhammad-bin-Tughlaq, being a ruler with a curious mind, wanted to visit certain Buddhist temples in China. These temples were renowned for their architecture, religious significance, and cultural heritage. To ensure a smooth visit, Muhammad-bin-Tughlaq sent an embassy to the Mongol monarch of China, seeking his permission to visit these temples.


The embassy played a crucial role in establishing diplomatic ties between the sultanate of Delhi and the Yuan Dynasty of China. It showcased the Sultan's interest in Buddhism and his willingness to explore other cultures and religions. The embassy also symbolized the political and cultural interactions between two powerful empires of the time.


Muhammad-bin-Tughlaq, the sultan of Delhi, received an embassy from the Mongol monarch of China, Emperor Toghon Temür, to seek permission to visit certain Buddhist temples. This embassy highlights the Sultan's interest in Buddhism and his efforts to establish diplomatic relations with the Yuan Dynasty.