Service tax on construction services

Jagan (B.Com) (35 Points)

10 May 2007  
What will be the implication of Service Tax on a developer ?

We will be awarding with material contracts to Main Contractors. We well be supplying Cement and Steel free of cost and the rest of the materials has to be supplied by the contractor. In that proposition, what is the service tax payable when 1) when the terms of contract says that the rates are inclusive of service tax? and 2) when the terms of contract says "Service Tax as applicable shall be paid extra" ?

Also, what is the liability of the developer to the government in the both the cases???