This Introduction of GST is a significant step in the field of indirect tax reforms in India. It transforms the country into one unified common market. In GST all the indirect taxes are subsumed under a single regime. The GST taxation law has put an end to multiple taxes which are levied on different products starting from the source of manufacturing to reaching the end consumer. GST works on the principle of ‘ONE COUNTRY ONE TAX’. It brings transparency in the taxation system. The introduction of GST in India will go a long way in elimination of economic distortion, promoting of an impartial tax structure which will result in commercial benefits that remained untouched by the VAT system and will ultimately lead to economic development. The ongoing ‘Make in India’ project is also greatly stimulated by Goods and Services Tax (GST). This paper throws an insight into the journey of Indian indirect taxation system. It highlights in-depth understanding of the concept of Goods and Services Tax in India, its features, difference between current and old taxation system, working mechanism of GST and its benefits. This study also investigates the impact of GST on Indian Economy.