The Vedas are ancient texts from India that give us a lot of information about the time they were written, around 1500 BCE to 500 BCE. Scholars have learned about early Indian society, religion, culture, and even some scientific ideas. The Vedas talk about rituals, gods, and social classes, which helps us understand how people lived and what they believed.
About their reliability, it's a bit mixed. On one hand, the Vedas offer a direct view into ancient Indian life and traditions. On the other hand, since they were written a long time ago and based on oral traditions, some parts might have changed or been exaggerated over time. So, while they are valuable, we should also think about them carefully and look for other sources to get a fuller picture of ancient India.