INDIAN HISTORY

Detailed explanation-1: -The Chola dynasty was one of the longest-ruling dynasties in the history of southern India. The Chola kingdom existed in the heartland of the fertile valley of the Cauvery river.

Detailed explanation-2: -Cholamandala Kingdom of the Cholas was situated in the Kaveri delta.

Detailed explanation-3: -The heartland of the Cholas was the fertile valley of the Kaveri River. They ruled a significantly larger area at the height of their power from the later half of the 9th century till the beginning of the 13th century.

Detailed explanation-4: -Chola Nadu is a cultural region of the Tamil Nadu state in southern India. It encompasses the lower reaches of the Kaveri River and its delta, and formed the cultural homeland and political base of the Chola Dynasty which ruled large parts of South India and parts of Sri Lanka between the 9th and 13th centuries CE.

Detailed explanation-5: -Karikal Valavan or Karikalan was the most prominent ruler of the Chola Dynasty. He defeated the combined army of the Cheras, Pandyas and the eleven Velir chieftains. He converted forests into cultivable lands. He built Kallanai dam across the river Kaveri to develop agriculture.