either change the all documents as per agreed price that is 0.1904 which is agreed price and all documents/ PO and all subsequent documents should be. Insist to shipping agent to amend all documents and handover for onward submission to Reserve bank of India and accounting purpose.
Or money should be come as per Invoice and other documents prepared for 64 container.
and make sure that now onwards PO and all documents should be prepared as per actual agreed price to avoid further complication.