51Interest payable by assessee in case of under-estimate, etc.216.
Where, on making the regular assessment, the Assessing Officer
finds that any assessee has— (a
) under section 209A
or section 212
under-estimated the advance tax
payable by him and thereby reduced the amount payable in either of the first two instalments; or (b
) under section 213
wrongly deferred the payment of advance tax
on a part of his income
;he may direct that the assessee shall pay simple interest
at fifteen per cent per annum— (i
) in the case referred to in clause (a
), for the period during which the payment was deficient, on the difference between the amount paid in each such instalment and the amount which should have been paid, having regard to the aggregate advance tax actually paid during the year; and (ii
) in the case referred to in clause (b
), for the period during which the payment of advance tax was so deferred.Explanation.
—For the purposes of this section, any instalment due before the expiry of six months from the commencement of the previous year
in respect of which it is to be paid shall be deemed to have become due fifteen days after the expiry of the said six months.