139. It shall be presumed, unless the contrary is proved, that the holder of a cheque received the cheque of the nature referred to in section138 for the discharge, in whole or in part, of any debt or other liability.
Negotiable Instruments Act, 1881
Section 139: Presumption in favour of holder
Chapter XVII — Of Penalties in Case of Dishonour of Certain Cheques for Insufficiency of Funds in the Accounts
Source: official text of the Negotiable Instruments Act, 1881.