and since, he was not examined, the revision petitioner could not confront him with those documents. Ext.D1 series documents show some scribbles written on cigarette packets, and it does not contain the signature of the 2nd respondent/complainant, or anybody else. When the revision petitioner admits the monetary transaction between himself, and the 2nd respondent/complainant, and the 2nd respondent comes out with Ext.P2 cheque to show the amount due to him, the burden is upon the revision petitioner to show the actual amount, if it was different from the cheque amount, or to prove repayment of that money, with cogent evidence. The revision petitioner utterly failed to prove his case that, he had borrowed only Rs.18,000/- from the 2nd respondent/complainant and he had repaid a total amount of Rs.30,000/- in instalments. He failed to rebut the presumptions available to the 2nd respondent/complainant under Sections 118 and 139 of the NI Act. If at all his case, that the cheque issued by him, was a blank signed cheque, is accepted, then also, he