METTUR CHEMICAL AND INDUSTRIAL CORPORATION LIMITED vs COMMISSIONER OF INCOME-TEX, MADRAS-1

The Supreme Court addressed the interpretation of Section 84 of the Income Tax Act, 1961, determining that the five-year relief period for an industrial undertaking begins from the year it commences production. The Court upheld the Income Tax Tribunal's decision that the appellant's production commenced in the assessment year 1957-58, thus disallowing the claim for relief starting from 1958-59. The Court clarified that the installation of additional equipment does not alter the commencement date of production for tax relief purposes.