Section 32A(iv) in The Appellate Side Rules of The High Court at Calcutta
(iv)If the documents and papers are not filed by the party in pursuance of the order of the Registrar mentioned above, it shall be open to the party who requires these documents to use certified copies of them if they are registered, and plain copies in his possession, if not registered, during the hearing of the appeal. The cost of obtaining certified copies of the documents shall, subject to any direction to the contrary given by the court, be borne by the party who failed to produce the original documents.