120. Estoppel against denying original validity of instrument.—No maker of a promissory note, and no drawer of a bill of exchange or cheque, and no acceptor of a bill of exchange for the honour of the drawer shall, in a suit thereon by a holder in due course, be permitted to deny the validity of the instrument as originally made or drawn.
Section 120 NI Act — Estoppel against denying original validity of instrument
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