Section 145 of The Negotiable Instruments Act : Evidence on affidavit.
Evidence on affidavit. Negotiable Instruments Act 1881
(1) Notwithstanding anything contained in the Code of Criminal Procedure, 1973 (2 of 1974), the evidence of the complainant may be given by him on affidavit and may, subject to all just exceptions be read in evidence in any enquiry, trial or other proceeding under the said Code.
(2) The Court may, if it thinks fit, and shall, on the application of the prosecution or the accused, summon and examine any person giving evidence on affidavit as to the facts contained therein.