am sure this site has been cited before in the group, just to refresh - check out the reference to
The emperor Rajendra Chola (1012 A.D - 1044 A.D) built a big palace in the place of Utkottai, where a mound even now called Maalikai Medu (Palace mound) in Gangaikondacholapuram - the capital of chola dynasty. The base of the palace is found in Maalikai Medu which is 1.5km away from the Brihadisvara Temple, Gangaikondacholapuram. The breadth of the palace wall is 1m and built by using only the bricks.