About 2000 years passed between the beginning of the Vedic Period and the start of the Gupta Empire.
What happened in this period
The Vedic Period in ancient India is believed to have started around 1500 BCE and ended around 500 BCE.
The Gupta Empire emerged around 320 CE and reached its peak during the reign of Chandragupta II in the 4th century CE, marking approximately 2000 years between these historical periods.