https://www.taxtmi.com/caselaws?id=161049 A completed assessment made in accordance with the law then prevailing cannot be treated as erroneous merely because a later judgment reverses that legal position. Revisional power under section 31(1) of the Assam Sales Tax Act, 1947 applies only where the assessment order was erroneous and prejudicial to revenue on the law existing when it was made. Because the assessments were finalised when the courts recognised the State exemption as a general exemption under section 8(2A) of the Central Sales Tax Act, 1956, the subsequent change in law did not justify revision. The order cancelling the assessments was therefore not sustainable, and the assessee succeeded. en-us Sat, 01 Sep 2001 00:00:00 +0530 Mon, 30 Dec 2013 16:26:37 +0530 TaxTMI RSS Generator https://www.taxtmi.com/caselaws?id=161049 A completed assessment made in accordance with the law then prevailing cannot be treated as erroneous merely because a later judgment reverses that legal position. Revisional power under section 31(1) of the Assam Sales Tax Act, 1947 applies only where the assessment order was erroneous and prejudicial to revenue on the law existing when it was made. Because the assessments were finalised when the courts recognised the State exemption as a general exemption under section 8(2A) of the Central Sales Tax Act, 1956, the subsequent change in law did not justify revision. The order cancelling the assessments was therefore not sustainable, and the assessee succeeded. Case-Laws VAT and Sales Tax Sat, 01 Sep 2001 00:00:00 +0530 https://www.taxtmi.com/caselaws?id=161049