Service tax liability on rcm

Pushpak Lal (Student CA Final ) (286 Points)

09 June 2016  
Suppose i receive manpower services. But the contractor has told me that instead of me charging ST on RCM, he will charge it in the bill itself. We have a good rapport with the client. The rate of ST changed from 14% to 14.5% . He has charged only 14% in the bill. Who can the department catch for 0.5% ?