Log on to www.aces.gov.in by ID using existing Aces user ID and password. Obtain provisional ID and password.Log on to www.gst.gov.in. Create unique username and new password by using provisional ID and password received from Aces website. Fill the Enrolment Application form 20. Submit the enrolment application Form along with necessary documents. Central Excise/Service tax registrants who have been provided provisional ID and Password by State Commercial Tax dept are not required to again take