Meaning of Dying Declaration

ON the principle underlying admissibility of dying declaration in evidence that truth sits on lips of a dying person and the court can convict an accused on the basis of such declaration where it inspires full confidance, there is no reson why the same principle should not be applied when such a dying declaration speaking of cause of death exonerates the accused unless there material available to form an opinioun that the deceased while making such statement was trying to conceal the truth either having been persuated to do so