Dear Sir,
In the absence of non-compliance of the condition of Sale Tax/VAT, service portion has to be worked out from the gross amount in the manner mentioned in Notification No.24/12-ST dated 6.6.12 effective from 1.7.12.
Rule 2 A--Determination of value of service portion in execution of Works Contract Service
(i) ____________________________________
(ii) Where the value has not been determined under clause (i), the person liable to pay tax on the service portion involved in the execution of the works contract shall determine the service tax payable in the following manner, namely :-
(A) in case of works contracts entered into for execution of original works, service tax shall be payable on forty per cent. of the total amount charged for the works contract;
(B) in case of works contract entered into for maintenance or repair or reconditioning or restoration or servicing of any goods, service tax shall be payable on seventy per cent. of the total amount charged for the works contract;
Valuation Rules stand amended vide Notification No.11/14-ST dated 11.7.14 effective from 1.10.2014
W.e.f. 1.7.12 all construction services are under one roof i.e. Works Contract Service.