Aryabhatta and Varahamihira belong to the period of which of the following dynasties?

Both Aryabhatta (the mathematician who calculated the value of pi and proposed that Earth rotates on its axis) and Varahamihira (the astronomer-astrologer who wrote the Pancha-Siddhantika) lived during the 5th-6th century CE, which falls within the Gupta dynasty period. The Gupta era (320-550 CE) is often called the Golden Age of ancient India for its achievements in science, mathematics, and arts. The Cholas were a later medieval dynasty (9th-13th century), the Mauryas ruled earlier (3rd century BCE), and the Mughals arrived much later (16th century).