Bhai Karur is in Tamil Nadu and Mangalore is in Karnataka and Karur Electrification has just started between Erode-Karur-Tiruchirapalli but Shoranur-Charvttur CRS is over and by the end of 2016 Manglore CRS will get over. So the Puducherry to Mangalore train can get WAP only between Erode-Mangalore.