Service tax exemption for works contracts applies to construction and finishing of residential complexes under urban renewal and housing schemes. Exemption is granted for the taxable service of execution of a works contract referred to in sub-clause (zzzza) of clause (105) of section 65 of the Finance Act, when provided for construction of a new residential complex or for completion and finishing services of a new residential complex under the Jawaharlal Nehru National Urban Renewal Mission and the Rajiv Awaas Yojana, exempting the whole of the service tax leviable under section 66 of the Finance Act.