Assessment of tax of person who has not furnished return

[Verbatim content from supplied page 8] If an assessee fails, without reasonable cause to make payment of any amount of tax within the time specified in the notice of demand. the prescribed authority may, after giving him a reasonable opportunity of making his representation, impose upon him a penalty which shall not be less than fifteen percent but no! exceeding twenty five percent of the amount of tax due. This penalty shall be in addition to the interest Payable under sub-section ( J) or sub-section (2) of section 1 l.