S. 80IC: Special category States-Profits and gains derived from industrial undertaking-Income from sale of scrap-Scrap was a by-product arising directly from the manufacturing process undertaken at the eligible unit-Eligible for deduction-Disallowance under S. 40(a)(ia) would form part of the eligible profits for the purpose of deduction under s. 80-IC, allowable deduction. [S.40(a)(ia)]