state gov APPSC (ఆంధ్రప్రదేశ్) Group 2 (Pre + Mains) Mock Test 2023 General Knowledge Ancient History Prehistoric period
Which of the following was mostly used to facilitate long distance communication by the inhabitants of Harappan Civilization?
1
Writing on palm leaves
2
Stone and rock tablets
3
Pigeons and parrots
4
Seals and sealings