I received a demand letter from TDS deparment, deamand year F/Y 2007-08, of Rs. 4532+interst, i am going to tds deparment he say this challan missing in CIN file, then i going to bank, bank staff check the records and then he give me letter he enter the wrong tan number so this is my problem , tds department say this correction some documents required 1. covering letter, bank letter, Indemnity bond and this document scan and upload a cd then deposit the deparement