I am a P.C.C. student and currently on an audit of a constuction co. My query was related to Work Contract.They have a party charging Service Tax @ 10.3% on the entire Invoice amt and VAT @ 4%on 75% of the Invoice amt.I just wished to confirm is this policy of the party appropriate?There is another party following Composite scheme and is charging VAT @ 5% on the entire Invoice amt and Service Tax @ 4.12% on the entire Invoice amt . Is the rate 4.12 % appropriate because as per my understanding , it should be 1/3 of 10.3% but the party is charging 1/3 of 12.36%?