Assessee-company calculated tax liability on taxable income at rate of 25 per cent as per rate provided under First Schedule of Finance (No. 2) Act, 2019. It stated that turnover in financial year 2016-17 excluding excise duty was at Rs. 226.49 crores and excise duty was at Rs. 28.93 crores aggregating to Rs. 255.42 crores only.  Assessing Officer processed under section 143(1) return filed by assessee and calculated tax at rate of 30 per cent considering turnover exceeding Rs. 250 crores. CIT(A) affirmed the order of the AO.On appeal the Tribunal held that   since issue whether to include excise duty or exclude excise duty from amount of turnover for determining rate of tax in pursuance to First Schedule of Finance (No. 2) Act, 2019 is a debatable issue and same could not be resolved while processing return under section 143(1), adjustment made by Assessing Officer is  not sustainable. (AY. 2019-20)