What are inscriptions? How do they help us know about ancient India?

The written records on the walls of caves, metal pillars, rocks, stones, copper, stone and clay tablets, walls of temples are known as inscriptions.
The inscriptions on the monuments, metal pillars, rocks, copper and clay tablets have been a source of information about the victories and achievements of the rulers of the ancient empires. The way of life, events and culture of the empires are depicted through inscriptions. They are relevant sources of information about battles and deeds of emperors and their achievements. They also highlight the influence and historical legacy of a king or an emperor. This helps us to know about the past, form an idea and gain knowledge about the history.