What instruments are to be drawn only by way of authentic document

The instruments mentioned below shall be proved only by authentic document and no other evidence is admissible to prove them:— (a) Public will; (b) Record of printed open will; (c) Record of approval of the closed will; (d) Record of the opening of the closed will; (e) Instrument of consent to the will by the spouse of the testator or the testatrix; (f) Instrument of revocation of will; (g) Instrument of rehabilitation of a person unworthy to succeed; (h) Instrument of renunciation of inheritance; (i) Instrument of declaration of heirship; (j) Instrument of ante nuptial agreement; (k) Deed of adoption under the law in force in Goa; (l) Special Power of Attorney for acts to be done under this Act; (m) Instrument of declaration of the option exercised under clauses (c) and (d) of sub-section (4) of section 1.