(1) Advance tax on the current income calculated in the manner laid down in section 209 shall be payable by—

(a) all the assessees, other than the assessee referred to in clause (b), who are liable to pay the same, in four instalments during each financial year and the due date of each instalment and the amount of such instalment shall be as specified in the Table below:

TABLE Due date of instalment Amount payable On or before the 15th June Not less than fifteen per cent of such advance tax. On or before the 15th Not less than forty-five per cent of such advance tax, as reduced by the amount, if any, paid in the earlier instalment. September On or before the 15th Not less than seventy-five per cent of such advance tax, as reduced by the amount or amounts, if any, paid in the earlier December instalment or instalments. The whole amount of such advance tax, as reduced by the amount or amounts, if any, paid in the earlier instalment or On or before the 15th March instalments;

(b) an assessee who declares profits and gains in accordance with the provisions of sub-section (1) of section 44AD or sub-section (1) of section 44ADA, as the case may be, to the extent of the whole amount of such advance tax during each financial year on or before the 15th March:

Provided that any amount paid by way of advance tax on or before the 31st day of March shall also be treated as advance tax paid during the financial year ending on that day for all the purposes of this Act.

(2) If the notice of demand issued under section 156 in pursuance of an order of the Assessing Officer under sub-section (3) or sub-section (4) of section 210 is served after any of the due dates specified in sub-section (1), the appropriate part or, as the case may be, the whole of the amount of the advance tax specified in such notice shall be payable on or before each of such of those dates as fall after the date of service of the notice of demand.