Chandra Gupta II
Budha Gupta
Samudra Gupta
Skanda Gupta
Kushan invasions
Saka invasions
Huna invasions
All the above
Kumara Gupta I
Dandin
Vishakadatta
Bharavi
Kamandaka
Varahamihira
Aryabhatta
Gunadya
Brahmagupta