Correct option is A
Information Booster:
The Kahaum inscription (found in Uttar Pradesh) is associated with the Gupta period, specifically during the reign of Skandagupta.
It mentions a person named Madra, who was a devotee of Jainism.
According to the inscription, Madra installed images of Jain Tirthankaras.
This highlights the religious tolerance and the flourishing of Jainism during the Gupta era.