Vat and service taxes

at the time of issue of bills as sub contractor, you had to show the same under works contract under your VAT returns, as well as service tax retuirns,  as labour 100% materials 0% then the taxability of WCT is nil in your hands, 

Thanks sharma ji my problem is bill is raised by dept bbmp bangalore and the work is manned by other government dept and my role is only execution and all the purchase bills is raised in the tin number of main contractor and my only mistake is I took cheques worth 1700000/- in my name or in my pan number then this is more than 10 lakhs iam I to pay service tax and if there is any vat has to be paid plz advice me has iam little disturbed regarding this issue Thanks & regards Narendra narayan