COMMISSIONER OF INCOME TAX v. M/S. MEGHALAYA 961 STEELS LTD. [R.F. NARIMAN, J.] during the period beginning on the 1st day of April, 1993 and ending A on the 31st day of March, 2004: Provided further that in the case of such industries in the NorthEastern Region, as may be notified by the Central Government, the amount of deduction shall be hundred per cent of profits and gains for a period of ten assessment years, and the total period of B deduction shall in such a case not exceed ten assessment years. Provided also that no deduction under this sub-section shall be allowed for the assessment year beginning on the 1st day of April, 2004 .or any subsequent year to any undertaking or enterprise referred to in sub-section (2) of section 80-IC. c Provided also that in the case of an industrial undertaking in the State of Jammu and Kashmir, the provisions of the first proviso shall have effect as if for the figures, letters a11d words 31st day of March, 2004, the figures, letters and words 31st day of March, 2012 had been substituted: o Provided also that no deduction under this sub-section shall be allowed to an industrial undertaking in the State of Jammu and Kashmir which is engaged in the .manufacture or production of any article or thing specified in Part C of the Thirteenth Schedule." "80-IC Special provisions in respect of certain undertakings E or enterprises in certain special category States (1) Where the gross total income 6f an assessee includes any profits and gains derived by an undertaking or an enterprise from any business referred to in sub-section (2), there shall, in accordance with and subject to the prnvisions of this section, be F allowed, in computing the total income of the assessee, a µeduction from such profits and gains, as specified in sub-section (3)."