Rajendra-I, a great warrior and assisted his father, is numerous expeditions to elevate the Cholas to supreme power. The various expeditions, he conducted, were : Gangetic expedition, eastern/western Chalukyas, war against Cheras/Pandyas, Ceylon expedition, Kadaram (currently called as Burma) expedition etc.,

His empire extended the whole of southern India to river Thungabathra in the north India, for administrative and strategic purpose he built another capital and named Gangaikondacholapuram. The Gangaikondacholapuram temple, he constructed consists of 3 stories  and surrounded by a huge fort like wall, the outer wall was greatly destructed during the English rule (1896 A.D) to reuse the building material (Granite rocks) for constructing the Lower Anicut (Dam across river Kollidam). He built around 10 temples at various places.