S. 2(1)(a)(i) : Appellant-Protective assessment-Amounts paid under protective assessment must be returned to assessee-Same income cannot be assessed in hands of assessee more than once-The Act is not intended either to collect or retain any amount which is not due from an assessee. Under section 237 under Chapter XIX of the Income-tax Act, 1961, there is no limitation prescribed for granting refund of the amount paid in excess as tax. [IT Act, S. 143(3), 154, 237, 244A, Art. 226]