Mumbai, Sept. 25 -- The growth outlook for H2 is one of optimism, RBI said in its September bulletin as high frequency indicators for August show manufacturing and services activity at a decadal high. Besides, S&P sovereign rating upgrade was an acknowledgement of its strong macro-fundamentals even as imposition of high US import tariff brought in some headwinds to the domestic macro-outlook, the central bank noted. Healthy corporate balance sheets and the focus on structural reforms by the government are the bright spots of the economy. Also, the landmark GST reforms should progressively result in a sustained positive impact through significant gains in ease of doing business, lower retail prices and strengthening of consumption growth d...