Question

Numismatics is the study of coins and Epigraphy is the study of
(a) Inscriptions
(b) Petroglyphs

Answer 1

Epigraphy is the study of Inscriptions on Rocks, Pillars, Temple walls, Copper plates and other Writing-materials like Stones, Metals, Potteries, Woods, Palm leaves, Clothes, Conch shells, Mural paintings and Coins.