S. 245D: Settlement Commission-Procedure-Rectification-Final order charging interest under section 234B only till the date of intimation under section 143(1)-Assessee paid the dues, and proceedings concluded-Commission has no power to invoke section 154 to levy additional interest till the date of the final order-Rectification order quashed. [S. 143(1), 154, 234B, 245D(4), Art. 226]