12 July 2011
Even thou your service provider has sent the bills this year, the expinditure pertains to previous years you should have booked it in the books during the previous year only. At the time of providing for in the books you should have deducted TDS.
As in the case the items comes under preior period adjustments for taking them in to book during the current year.
For making TDS on such items and filing the TDS return you have to file a revised return. TDS has to be depoited along with interest.