What information did historical inscriptions provide for historians about the country's ancient history?

The correct option is D Climate and Disasters
From the first century C.E., inscriptions appeared on coins, metal plaques, sculptures, and copper plates. These materials provide crucial historical information like the dates of various dynasties, their genealogies, territorial extent and administration of different empires and kingdoms. They also give us an idea about critical political events, social organisation, climate and famines. Colonialism of India by England is an event of Modern history and not of ancient India.