closed shutters and stopped water at the grand aged dam of kallanai constructed by king karikala chola with granite stone.

closed shutters and stopped grand aged dam kallanai constructed by king karikala chola granite stone anicut attraction bricks bridge building built cholas conservation considered control diversion during early engineering evening famous greatest india kaveri known landmark long massive metres old oldest period recognised regulator reservoir river ruled sangam scenic southern spillway statue still stream structures summer sustainable technology water which world