17 November 2011
According to Section 201(1A) which is amended by Finance Act, 2010(effective from 01-07-2010): “Without prejudice to the provisions of sub-section (1), if any such person, principal officer or company as is referred to in that sub-section does not deduct the whole or any part of the tax or after deducting fails to pay the tax as required by or under this Act, he or it shall be liable to pay simple interest,— (i) at 1% for every month or part of a month on the amount of such tax from the date on which such tax was deductible to the date on which such tax is deducted; and (ii) at 1.5% for every month or part of a month on the amount of such tax from the date on which such tax was deducted to the date on which such tax is actually paid, and such interest shall be paid before furnishing the statement in accordance with the provisions of sub-section (3) of section 200”
So interets in you case will be @1.5%pm or part of month