Mortgage not to be questioned on insolvency of mortgagor

27. Notwithstanding anything contained in the Presidency Towns Insolvency Act, 1909, or the Provincial Insolvency Act, 1920, a mortgage executed in favour of a primary land development bank shall not be called in question on the ground that it was not executed in good faith for valuable consideration or on the ground that it was executed in order to give the primary land development bank a preference over the other creditors of the mortgagor.