If the attesting witness denies or does not recollect the execution of the document, its execution may be proved by other evidence.
Section 71 Proof when attesting witness denies the execution
Section 72 Proof of document not required by law to be attested
Section 73 Comparison of signature, writing or seal with others admitted or proved
Section 73A Proof as to verification of digital signature
Section 76 Certified copies of public documents
Section 77 Proof of documents by production of certified copies
Section 78 Proof of other official documents
Section 79 Presumption as to genuineness of certified copies
Section 80 Presumption as to documents produced as record of evidence