Option a is the correct answer. Ashoka's edicts are also found in Junagarh Inscription of Mahakshatrapa Rudradaman. The Junagadh rock inscription of Rudradaman I holds historical significance for its mention of Ashoka's edicts alongside inscriptions of Rudradaman I and Skandagupta. Notably, it mentions the restoration of Sudarshana Lake, built during Chandragupta Maurya's rule, and provides insight into ancient water management practices. . . historical events, rulers' contributions, and ancient Indian record-keeping traditions, making it a valuable source for understanding the past.