Reverse charges

Deepak Chavan (Manager) (24 Points)

13 November 2013  
our company is providing repair maintenance services in field of electronics. we charge service charge as per govt direction 12.36% from whom we provide service and pay to govt. one of our customer (corporate) who has deposited half of the service tax to govt.but in our case we have paid 12.36% service tax to govt. now govt is paid total of 18.4% of tax, Now can somebody tell me the way to get refund of my 6.18% service tax back and how? attaching transaction details for clarity...