[Failure to furnish returns of income.
If a person wilfully fails to furnish in due time the return of fringe benefits, which he is required to furnish under sub-section (1) of section 115WD, or by notice given under sub-section (2) of the said section or section 115WH, or the return of income which he is required to furnish under sub-section (1) of section 139, or by notice given under clause (i) of sub-section (1) of section 142, or section 148, or section 153A, he shall be punishable —
(a) with simple imprisonment for a term up to two years, or with fine, or with both, where the amount of tax, which would have been evaded if the failure had not been discovered, exceeds fifty lakh rupees; or
(b) with simple imprisonment for a term up to six months, or with fine, or with both, where the amount of tax, which would have been evaded if the failure had not been discovered, exceeds ten lakh rupees but does not exceed fifty lakh rupees; or
(c) with fine, in any other case:
Provided that a person shall not be proceeded against under this section for failure to furnish in due time the return of fringe benefits under sub-section (1) of section 115WD or return of income under sub-section (1) of section 139—
(i) for any assessment year commencing prior to the 1st day of April, 1975; or
(ii) for any assessment year commencing on or after the 1st day of April, 1975, if—
(a) the return is furnished by him before the expiry of the assessment year or a return is furnished by him under sub-section (8A) of section 139 within the time provided in that sub-section; or
(b) the tax payable by such person, not being a company, on the total income determined on regular assessment, as reduced by the advance tax or self-assessment tax, if any, paid before the expiry of the assessment year, and any tax deducted or collected at source, does not exceed ten thousand rupees.]