[14. Production of document on which plaintiff sues or relies
(1) Where a plaintiff sues upon a document or relies upon document in his possession or power in support of his claim, he shall enter such document in a list, and shall produce it in court when the plaint is presented by him and shall, at the same time deliver the document and a copy thereof, to be filed with the plaint.
(2) Where any such document is not in the possession or power of the plaintiff, he shall, wherever possible, state in whose possession or power it is.
2[(3) A document which ought to be produced in Court by the plaintiff when the plaint is presented, or to be entered in the list to be added or annexed to the plaint but is not produced or entered accordingly, shall not, without the leave of the Court, be received in evidence on his behalf at the hearing of the suit.];
(4) Nothing in this rule shall apply to document produced for the cross examination of the plaintiffs witnesses, or, handed over to a witness merely to refresh his memory.]
As per provision of order 7 rule 14 of cpc whatever documents you submit in court , have to give the copy of such documents to opposite party.