(i) as to consideration, (ii) as to date of instrument, (iii) as to time of acceptance, (iv) as to time of transfer, (v) as to order of indorsements,(vi) as to appropriate stamp and (vii) as to holder being a holder in due course. Section 139 of the Act provides that it shall be presumed, unless the contrary is proved, that the holder of a cheque received the cheque of the nature referred to in Section 138a for the discharge, in whole or in part, of any debt or other liability. Presumptions are devices by use of which the courts are enabled and entitled to pronounce on an issue notwithstanding that there is no evidence or insufficient evidence. Under the Indian Evidence Act all presumptions must come under one or the other class of the three classes mentioned in the Act, namely, (1) "may presume" (rebuttable), (2) "shall presume" (rebuttable) and (3) "conclusive presumptions" (irrebuttable). The term presumption' is used to designate an inference, affirmative or disaffirmative of the existence a fact, conveniently called the "presumed fact" drawn by a judicial tribunal, by a process of probable reasoning from some matter of fact, either judicially noticed or admitted or established by legal evidence to the satisfaction of the tribunal. Presumption literally means "taking as true without examination or proof". Section 4 of the Evidence Act inter-alia defines the words may presume' and shall presume as follows: - "(a) may presume' - Whenever it is provided by this Act that the Court may presume a fact, it may either
