G.L.N. Prasad (Retired employee.) 13 June 2020
It depends on the nature of such a document. Inform bare minimum details and the advice offered by the advocate that is handling the case.
A competent advocate can cross-examine the OP and can get his acceptance to the contents, if there is some support for the contents or link to witnesses.
P. Venu (Advocate) 13 June 2020
You amy get orders from the court for production of the original document by the opposite party.
Dr J C Vashista (Lawyer) 13 June 2020
Request your lawyer (if you are a party) to issue notice under Order XII Rule 8 of the Code of Civil Procedure, 1908 to the opposite party who is in power and possession of original document for its production in the Court.