Please help me on tds

visit this page 

/experts/tds-on-dvat-2-and-wct-49011.asp

TDS (WCT) represent TDS under VAT which is  applicable on every works contract being a special type of transaction (Not ordinary Sale or trading ) advance VAT has to be deducted and deposited by the awarder /contractee

TDS(IT) represent TDS under Income Tax wchch is applicable on diffrent deductees falling under various services like , income from profession, contract, Rent, Fee, etc,

The perpose of the both to secured and collect the revenue in advance for the State Gov and Central Govt respectivly.