S. 3 : Disputed tax-Disputed arrears-Interest-Department appeal-Matter remanded to Assessing Officer-Designated Authority demanding 100 per Cent of Disputed tax as payable-Held to be not sustainable. [S. 2(1)(j), 2(1)(j)(o), 4, 5, 6, IT Act, 2(43), 234D, 244A (3), Art. 226]