Proof of signature and handwriting of person alleged to have signed or written document produced
If a document is alleged to be signed or to have been written wholly or in part by any person, the signature or the handwriting of so much of the document as is alleged to be in that person’s handwriting must be proved to be in his handwriting.
S. 67 A
Proof as to digital signature
Except in the case of a secure digital signature, if the digital signature of any subscriber is alleged to have been affixed to an electronic record the fact that such digital signature is the digital signature of the subscriber must be proved.