Tds 2012-13

yes you may but it will be liable for interest @   1.5%

yes you can pay the tds amount with additional interest of 1.5 % per month [section 201 (1A)], wherre part of month is considered as  full month.

Interest is always applicable.

There is one more specific provision which levies penalty for the same, i.e Secion 271 C ( penalty shall not exceed the amout of TDS), but if the case is genuine , there shall be no penalty.