One of my clint having registration under APVAT rules & he has also CST registration. He executed some work in Chennai Region, its a Works contract. My clint not applied for any registration in Chennai because it is one time job. The contractor having TVAT registration but he is not providing any C-Form. Whats the TDS rate applicable under WCT. How much my clint liable to pay TDS. Pls, clarify regarding this on urgency basis.