while deducting service tax under reverse charge mechanism, should the amount of service tax be calculated on the value of the bill or a backward calculation from the bill value is to be done to arrive at the service tax amount. Kinly clarify
while deducting service tax under reverse charge mechanism, should the amount of service tax be calculated on the value of the bill or a backward calculation from the bill value is to be done to arrive at the service tax amount. Kinly clarify