(1) When there arises a question, whether a document was written or signed or not by a person, the court may cause such person to write or sign in a separate piece of paper and shall compare that signature or thumb impression with any other signature or finger  impression and may reach to the conclusion accordingly.
(2) When it is not possible to reach to a conclusion comparing the signature or finger impression pursuant to Sub-section (1), the Court may conclude it with
the help of other evidence.
(3) Nothing contained in this Section shall bar to the Court to take the opinion of a signature or finger impression expert as the evidence.