GSTR-1 furnishing deadline: quarterly returns for taxpayers in Mahe for July-September 2018 must be filed electronically by 15 November. The notification amends a prior government order to require that registered persons whose principal place of business is in Mahe must furnish FORM GSTR-1 for the quarter July-September 2018 electronically through the common portal on or before 15 November 2018, issued under the Puducherry GST Act.