Earlier, various voluntary organisations had opposed four FSI for various reasons. On of them had pointed out that developed cities like Hong Kong and New York, where the metro rails runs successfully, have population density of 6,000 per sq km and 10,000 per sq km respectively. Against this, Pune already has a population density of 14,000 per sq km even much higher at 21,000 per sq km in 80 of the 144 civic wards. An Additional FSI will only increase the density, which is not needed at all.