Income Tax Act, 1961
Section 158BF. CERTAIN INTERESTS AND PENALTIES NOT TO BE LEVIED OR IMPOSED.
No interest under the provisions of sections 234A, 234B or 234C or penalty under the provisions of clause (c) of sub-section (1) of section 271 or section 271A or section 271B shall be levied or imposed upon the assessee in respect of the undisclosed income determined in the block assessment.