If you happen to be in the category of advance tax payers and this year too you qualify for it, do remember that you have to pay the second instalment of advance tax by 15 September. Till last financial year, 15 September was the first due date of advance tax payment for tax payers other than companies. But from this fiscal, the first instalment has been advanced to 15 June. Also, the percentage of advance tax to be paid by 15 September has increased. If you have missed the first instalment, you can pay it along with the upcoming second instalment, but with interest on the due taxes.