It is mandatory for Notary to use his official seal. ‘The Notaries Rules, 1956’ has prescribed the form and design of the seal to be used. It shall be plain circular seal of 5 cm. in diameter. It shall contain the name of the Notary, the jurisdictional area where he has been appointed to exercise his functions, the registration number, and circumscription “NOTARY” and the name of the Government which has appointed him/her. The notary shall use his official seal on every document. The Evidence Act also provides that the courts should take judicial notice of seal of notary. In the absence of seal of notary, the document has no evidentiary value.