The Gupta Empire was finally defeated after a series of invasions by the RedYellowWhite Huns.

In the 5th century Gupta Empire began to decline, and it's mainly cause was invasions of the White Huns - Hephtalites. Skandagupta in 460 defeated the Huns, but after his death starts to fall, so after invasion in 510 Hephthalite occupied the North - Western India.