The Eri (tank) network in the Kazhuveli watershed region in Villupuram district is to be proposed for nomination to the World Monuments Fund Watch 2025 programme.
The watershed area stretches from Gingee to Marakkanam all the way up to the Auroville plateau, and covers an area of 740 sq. km.
The Watch 2025 is a nomination-based programme that connects local heritage preservation to global awareness and action.