GST Helpline is a user-friendly mobile application, designed and developed by SAG Infotech PVT LTD. The mobile app has been developed keeping in mind the foundation of Goods and services tax in India. The GST law India is likely to be implemented after April 2017. Several government agencies and sectors are engaging themselves in the preparation of the GST regime. This indirect tax reform shall change the transaction of different taxes between states and central government of India.