XYZ registered with GST for principal place of business at Aurangabad and Head office at Mumbai as additional place of business. Head office also registered as “ISD”. Head Office receiving security services from a proprietor and therefore liable to pay GST on it under reverse charge. Can the principal place of business at Aurangabad pay GST on it under reverse charge or Head office is required to take a separate registration? If Aurangabad pay the GST under reverse charge how can head office distribute the credit to all the locations of XYZ?