The Chola dynasty (சோழர் குலம்) was a Tamil dynasty that ruled in southern India until the 13th century. The dynasty came from the fertile valley of the Kaveri River. Karikala Chola was the most famous among the early Chola kings, while Rajaraja Chola, Rajendra Chola and Kulothunga Chola I were famous emperors of the medieval Cholas.
The Cholas were at the height of their power during the tenth, eleventh and twelfth centuries. Under Rajaraja Chola I (Rajaraja the Great) and his son Rajendra Chola, the dynasty became a military, economic and cultural power in Asia. The Chola territories stretched from the islands of the Maldives in the South to as far North as the banks of the Ganges River in Bangladesh.
the golden era was by rajendra chola.