Gujarat High Court Criminal Manual (subordinate court practice), 1977
(1) The attention of courts is invited to sections 284 to 288, Code of Criminal Procedure, 1973, in which provision is made for taking evidence on commission. (2) Whenever occasion arises for taking evidence of officers of the Foreign Consulate office, as far as possible, they should be examined on commission. Courts should take all possible steps to avoid causing unnecessary inconvenience to officers of the Foreign Consulate office who may be called upon to give evidence. (3) The proviso to section 284, Code of Criminal Procedure, 1973, requires that where the examination of the President or the Vice President of India or the Governor of a State or the Administrator of the Union territory as a witness, is necessary for the ends of justice, a commission shall be issued for examination of such witnesses.