¹[Any document purporting to be a report under the hand of any Chemical Examiner or Assistant Chemical Examiner to Government upon any matter or thing duly submitted to him for examination or analysis and report in the course of any proceeding under this Act, may be used as evidence in any inquest under this Act and in any subsequent inquiry, trial or other proceeding under the Code of Criminal Procedure, 1898 (5 of 1898).]