25 March 2011
How you know TDS deducted is not perfect shown in 26AS.The only way is collect 16A from your deductor parties and after all collection you may have to see the 26AS. if you found anything missing then cross check from 16A to 26AS if some data of 16A didn't reflect in 26AS then you have to ask that deductor to file that period (qtr) revised tds return so that you availed you credit as per 16A