Negotiable Instruments Act, 1881–Sec. 138–Dishonour of cheque–Defence that the chequebook was got lost and the alleged cheque was included in that chequebook–Appellant neither produced the application or its copy nor filed the copy of report made to police–Signatures on the cheques were also admitted–He failed to rebute the presumption u/s. 139–Interference in findings of conviction declined.