<P> He repelled a Huna attack around 455 CE, but the expense of the wars drained the empire's resources and contributed to its decline . The Bhitari Pillar inscription of Skandagupta, the successor of Chandragupta, recalls the near - annihilation of the Gupta Empire following the attacks of the Kidarites . The Kidarites seem to have retained the western part of the Gupta Empire . </P> <P> Skandagupta died in 467 and was succeeded by his agnate brother Purugupta . </P> <P> Following Skandagupta's death, the empire was clearly in decline . He was followed by Purugupta (467--473), Kumaragupta II (473--476), Budhagupta (476--495), Narasimhagupta (495--?), Kumaragupta III (530--540), Vishnugupta (540--550), two lesser known kings namely, Vainyagupta and Bhanugupta . </P> <P> In the 480's the Alchon Huns under Toramana and Mihirakula broke through the Gupta defenses in the northwest, and much of the empire in the northwest was overrun by the Huns by 500 . The empire disintegrated under the attacks of Toramana and his successor Mihirakula . It appears from inscriptions that the Guptas, although their power was much diminished, continued to resist the Huns . The Hun invader Toramana was defeated by Bhanugupta in 510 . The Huns were defeated and driven out of India in 528 by king Yashodharman from Malwa, and possibly Gupta emperor Narasimhagupta . </P>

Which one of the following traveller visited india during the gupta period