Where an appeal is preferred by any person from whom the amount of debt is due to a bank or a financial institution or a consortium of banks or financial institutions, such appeal shall not be entertained by the Appellate Tribunal unless such person has deposited with the Appellate Tribunal 3[fifty per cent.] of the amount of debt so due from him as determined by the Tribunal under section 19:
Provided that the Appellate Tribunal may, for reasons to be recorded in writing, 4[reduce the amount to be deposited by such amount which shall not be less than twenty-five per cent. of the amount of such debt so due] to be deposited under this section.