-The Indian government has made an ambitious shift by introducing Goods and Services Tax (GST) tax policies. The strategy is to present modern, transparent and technology-driven indirect tax system. The new tax system aimed to sharpen the competitive edge of a 230 crores ($2.3 Trillian) Indian economy driven by internal trade restrictions and a raft of central, state and local taxes. After six months of its introduction, the new system is yet to settle down and being considered puzzling on many dimensions. Even after proper beginning, the GST registration system is facing barriers relevant to documentation, technology, stakeholder willingness, etc. This paper aimed to rank the potential technical barriers to GST registration. The outcome of this paper will help new registration seeks to understand new taxes system in general and will intimate the ground reality to authorities responsible for its successful implementation. This paper presents a case study of the technical issues faced by the businessmen during GST registration in the first quarter of implementation. Solutions to these issues have been proposed in this paper, which may be helpful for the businessmen to register on GST portal.