We are doing the following activities and kindly instruct me. The type of services category for obtaining Service tax registration certificate. 1.AMC Maintenance contract for Barcode printers,other printers & Scanners 2.Communication Equipment Maintenance service 3.Telephone repair service 4.Operation of EPABX Under Franchises 5. Computer repair &Maintenance service and other services 6.Retail trade services - othes 7.Printing charges.