Lower rates of GST may not necessarily mean higher profits for Indian consumer firms, while the converse is equally true for those selling in limited pockets. The reason is a simple averaging of tax rates across all states instead of weighted averages, which would have mapped sales volumes to levies in the relevant states.On the surface, tax rates of certain products would have seemingly come down compared to existing rates under GST. But some companies may still have to increase.

Source - http://economictimes.indiatimes.com