sentences:  The head of 72 nadu was Kancheepuram nadu which was called as Mahanadu by the Sengunthars.The head officer of Mahanadu were called as Aandavar and Aandavar is highest authority leader for Sengunthars.The head officer of the each nadu council were called as Naattaanmaikarar or Periyadhanakarar or Pattakarar.There are some divisions among Kaikolar based on their traditions.