Sundaramudayan is a village near Uchipuli in Ramanathapuram district where the grave of Ilme Yaseen Shaheed well known as Seeniappa who came along with Badhusha Sulthan Syed Ibrahim Shaheed of Erwadi is found. ilme Yaseen (Seeniappa) shaheed is the hereditary male descendant of Nafiaa bin Hilal Jamali who was martyred in the battle of Karbala as a companion of Imam Husayn. The locality itself is called as Seeniappa Dargha and there is a Naval base of the Indian Navy here.
References
Sundaramudayan Wikipedia(Text) CC BY-SA