Evidence Act, 1872–Secs. 67 & 47–Document–Establishment–A document can be proved by the following persons-
(i) by the statement of a person, who wrote or signed the document;
(ii) by calling a person, in whose presence, the document was signed or written;
(iii) by calling a person, who is acquainted with the writing of the person by whom the document is supposed to have been signed or written;
(iv) by calling a person who, in routine has been receiving the document signed by the person in the course of his business or official duty though he may have never seen the author signing the document; and
(v) by proof of an admission made by the person, who is stated to have signed or written the document to that effect made in any other judicial proceeding.
