What is the fine-grained topic of the following text: "The GST is bound to grow the GDP alongside enhancing the ease of doing business in India and GSTSTAR is poised to help not only big companies but small and mid-size businesses steer into GST era seamlessly," GSTSAT investor mentor V Balakrishnan said. Only return the topic.
The impact of GST on India's GDP and businesses, and the role of GSTSTAR in aiding the transition.