India's retail inflation has gone up marginally to 3.65 per cent in August as compared to July, the data from the All India Consumer Price Index (CPI) said on Thursday. It is significantr to note that this is the second time in nearly five years that overall retail inflation fell below the Reserve Bank of India's 4% inflation target. The inflation target by the RBI is 4% with a tolerance band of +/- 2 percentage points, meaning that the target is within the range of 2% to 6%.