Many travellers such as Fa Hsien, Sung Yun, Hsuan Tsang and I Tsing, Megasthenes visited India. These travellers also introduced their culture to India. The correct chronological sequence of their visits is Megasthenes(4th cent. BC) - Fa-Hien(400AD) - Hieun Tsang(ard 632 AD) - I-Tsing(673AD)