Wikipedia:Manukula Kesari

Manukula Kesari was the third son of Rajendra I￼. He was the most needed commander of all chola wars. In 1017, during chola chera war, he lead the chola forces against Chera king Baskara Ravi varman and won the battle captured Kerala, a chera kingdom. So, the Rajendra I crowned him as a governor of chera dynasty, named "chozha keralan". He ruled chera kingdom from 1017 - 1021 CE.