YZ Ltd. engaged in the business of manufacture of steel, claimed deduction under section 80-IB on the profits and gains of business, which included transport subsidy, interest subsidy and power subsidy received from the Government and duty drawback receipts. XYZ Ltd. contended that all the above receipts are profits derived from the business of the industrial undertaking and are hence, eligible for deduction under section 80-IB. Is the contention of XYZ Ltd. correct