a water level scale in the grand aged dam of kallanai constructed by king karikala chola with granite stone.

aged anicut attraction bricks bridge building built chola cholas conservation considered constructed control dam diversion during early engineering famous from grand granite greatest india kallanai karikala kaveri king known landmark level massive metres old oldest people period recognised regulator reservoir river ruled sangam scale scenic shutter shutters southern speedy still stone stream structures summer sustainable technology view water