Failure to furnish returns of income
(1)
If a person wilfully fails to furnish in due time the return of income, which is required to be furnished under section 263section 263(1), or by notice given under sections 268sections 268(1) or 280, he shall be punishable,—
(b)
in any other case, with imprisonment for a term which shall not be less than three months but which may extend to two years and shall also be liable to fine.
(2)
A person shall not be proceeded against under sub-section (1) for failure to furnish in due time the return of income under section 263section 263(1) for any tax year, if––