All are exempted from oral testimony EXCEPT:

Medical evidence of injury as witness (Oral evidence is more impoant than documentary evidence as it permits cross-examination. Exceptions to oral evidence i.e. where documentary evidence is sufficient for a cou of law (the person providing that document need not appear in the cou for giving oral evidence)- (1) Dying declaration, (2) Expe opinion given in a book or treatise, (3) Evidence of doctor recorded in a lower cou, (4) Evidence by witness in a previous judicial proceeding, (5) Evidence of mint officers, (6) Repo of Chemical Examiner, Explosives Expe, Fingerprint Expe, Serologist, etc, (7) Public records like bih & death ceificate, (8) Hospital records.)