Detailed Solution:
The correct answer is “I and II”.
Asvaghosha and Vasumitra were prominent figures during the reign of Kanishka (127–150 CE). Asvaghosha was a renowned Buddhist philosopher and poet, while Vasumitra was a scholar who played a crucial role in the Fourth Buddhist Council convened by Kanishka.
Kalidasa lived much later, during the Gupta period.
Kambar was a Tamil poet who lived even later, during the Chola period.