Old TDS how to claim

You cannot claim old TDS in current Financial Year.

The procedure to be followed is :-

Period for which request can be made

A tax payer can make a request to condone the delay in filing of return within six years from the end of the assessment year in respect of which the return is to be filed. So effectively in case of claim for income tax refund, you get an extension of five years only as presently also you can file your income tax return for refund one year after end of the assessment year. So now you can make an application for condonation of delay for any financial year ending 31-03-2009 or thereafter. So in case any of you who failed to file your return in which you were entitled to claim income tax refund or carry forward of losses, can file the application now in case it relates to financial year ended 31-03-2009 or thereafter.

First get hold of the TDS CERTIFICATE ANKUSH.
IF the delay is owing to the deductor then go to the AO.
Submit a plea as mentioned in Sec 119(2)b.