Option d is the correct answer. The correct chronological order of the dynasties mentioned in the question is: Satvahanas (2nd century BCE - 3rd century CE) Vakatakas (3rd century - 6th century CE) Chalukyas (6th century - 12th century CE) Solution: (c) Exp) Option c is the correct answer. Sung Yun was a Chinese Buddhist monk who was sent along with some companions including monk Hui Zheng by the devout Buddhist Emperor Hu of the Northern Wei Dynasty to north-western India to search for Buddhist texts. Sung Yun came to India during the reign of the Gupta emperor Kumaragupta I. He visited India in the early 6th century CE, around 518-522 CE. He brought back many Sanskrit manuscripts and relics, and also wrote an account of his travels, which is preserved in the Chinese Buddhist canon. He was one of the earliest Chinese pilgrims who visited India and provided valuable information about the political, social, and religious conditions of India at that time.