Liability to tax

(1) As from assessment year commencing on the lst day of April of every year and subject to the provisions of this Act, every person who carries on a trade either by himself or by an agent or representative, or who follows a profession or calling or who is in employment either wholly or in part within the State shall be liable to pay for each assessment year a tax with reference to his total gross income of the previous year with regard to such profession, trade, calling or employment and in addition to any tax, rate, duty or fee which he is liable to pay under any other enactment for the time being in force: Provided that the tax repayable by any person shall not exceed Rs. 250 for any assessment year. (2) In respect of total gross income chargeable under sub-section (1), tax shall be deducted at the source or paid in advance where it is so deductible or payable under any provision of this Act. Explanation—For the purposes of this section a person on leave shall be deemed to be a person in employment.