138. Offences relating to affidavits 138. Every one who
(a) signs a writing that purports to be an affidavit or statutory declaration and to have been sworn or declared before him when the writing was not so sworn or declared or when he knows that he has no authority to administer the oath or declaration,
(b) uses or offers for use any writing purporting to be an affidavit or statutory declaration that he knows was not sworn or declared, as the case may be, by the affiant or declarant or before a person authorized in that behalf, or
(c) signs as affiant or declarant a writing that purports to be an affidavit or statutory declaration and to have been sworn or declared by him, as the case may be, when the writing was not so sworn or declared,
is guilty of an indictable offence and liable to imprisonment for a term not exceeding two years.