Rajaraja the great was succeeded by his able son Rajendra I. Sources like Thiruvalangadu copper plates Karandhai plates give information about Rajendra. He was a great administrator and warrior. He was also associated with his father in the military adventures and administration. Rajendra captured the whole of Ceylon and consolidated Chola domination over Ceylon. He appointed his son Rajathiraja as Yuvaraja to assist him. During his rule he constructed many Siva and Vishnu temples. Rajendra defeated the Bengal king Mahipala I and brought water from Ganges to Tanjore. This water was put into Cholagangam, a large irrigation tank, near “Gangai Konda cholapuram”. In appreciation of this victory, king Rajendra was given the title “Gangai Kondan”. He conquered Malaya region in South East Asia and earned the title “Kadaram Kondan”.