Which one of the following ancient Indian records is the earliest royal order to preserve food-grains to be utilized during the crises in the country ?

[A] Prayaga-prasasti

[B] Rummindei Pillar-edict of Ashoka

[C] Sohgaura copper-plate

[D] Mehrauli Pillar inscription of Chandra

Answer & Explanation
Option: [C]