we are registered under service tax for Man power recruitment supply/supply agency ,Maintenance for repair service , erction commission & instalation , work contract etc.
If we raise bill of any amount under capex work we charged service tax As under
1.Amount of bill X 40% of 50% X 12.36% = payable service tax
If we Raise bill of any amount for repair & maintenance work we charged service tax as under
2. Amount of bill x 50% of 70 % x 12.36% = payable service tax
Is that right method ? in which notification of above method is given?