Which one of the following ancient Indian records is the earliest royal order to preserve foodgrains to be utilised during the crises in the country?

Q. Which one of the following ancient Indian records is the earliest royal order to preserve foodgrains to be utilised during the crises in the country?
(a) Sohagaura Copper-plate
(b) Rummindei pillar-edict of Asoka
(c) Prayaga-Prasasti
(d) Mehrauli Pillar inscription of Chandra
Ans: (a) Sohagaura Copper-plate
Explanation: The earliest known copper-plate called Sohgaura is a Maurya record that mentions famine relief efforts. It is one of the very few pre-Ashoka Brahmi inscriptions in India.