(6)[ Where as a result of an order under sub-section (1) or sub-section (3) of section 143, section 144, section 147, section 154, section 155, sub-section (4) of section 245-D, section 250, section 254, section 260, section 262, section 263 or section 264, the amount of tax payable under this Act is reduced or increased, as the case may be, the amount of tax credit allowed under this section shall also be increased or reduced accordingly.] [Inserted by Act 26 of 1997, Section 38 (w.e.f. 1.4.1997).]