During the later period of Chola Kingdom, King Rajendra Cholan I who ruled during the period 1012 AD to 1044 AD, Spread his kingdom up to Ganges. He conquered the lands up to River Ganges. In Memory of his Victory he formed the Village ‘ Gangai Konda Cholapuram’ during the year 1024 AD. In addition to that in order to improve the Irrigation facilities in and around the new Village, he formed a new tank and called it as ‘Chola ‘ Gangam’. He made a link between ‘Chola gangam’ and Veeranarayanan Eri so that the former surpluses into the later. The tank ‘Chola Gangam’ is now called as ‘ Ponneri Tank’ which is situated at the road connecting Jeyamkondam and Gangaikonda Cholapuram. These details were collected from Saraswathi Mahal Library at Tanjore.