Dissolution of partnership firm and surrender of pan card

I had dissolve Partneship Firm in November 2008 , I had submitted Surrender letter  of PAN Card with  Dissolustion Deed on 31.03.2010, and all ITR Return has been filed tiil A.Y.2009-10 but last week i have come to know Income Tax Database has been showing Partneship Firm PAN Number has been active , I have not recevied any Income Tax communication from Income TAX regarding these Firm but stiil if I have to do any other formalities ? or Whenever if i receive query from Income Tax Department in future then I have to show copy  Surrender letter  of PAN Card with Dissolustion Deed ?Kindly guide I am thankful to these forum and Expert  for giving such good platform for query or doubt to solve the issue