(1)A letter, return or other document respecting the service of any person in, or the dismissal, removal or discharge of any person from, any unit of the Force, or respecting the circumstances of any person not having served in, or belonged to any unit of the Force, if purporting to be signed by or on behalf of the Central Government or the Director-General, or by any prescribed officer, shall be the evidence of facts stated in such letter, return or other document.
