Which one of the following ancient Indian records is the earliest royal order to preserve food-grains to be utilised during the crises in the country? [1998]
1) Sohgaura Copper-plate
2) Rummindei Pillar-edict of Ashoka
3) Prayaga-prasasti
4) Mehrauli Pillar inscription of Chandra
1) Sohgaura Copper-plate