A mass grave was uncovered in Udayairkattu, Mullaitivu on Thursday reports BBC Tamil.
Two skeletons wrapped in a mat were found in a family's back yard at their home which is situated within a housing development whilst surface work was being carried out.
Up to nine skeletons were uncovered after further excavations on Friday. A severely damaged identification card was also reportedly found with the remains.
Police were present during the excavation and will reportedly be investigating.