Onlookers react while watching share prices on the digital broadcast outside the Bombay Stock Exchange (BSE) in Mumbai on November 22, 2011. India's leading share index of blue chip firms plunged 3.65 percent to a two-year low November 23 due to growing concerns about high inflation, slowing growth and evidence of political deadlock. The 30-share Sensex on the Bombay Stock Exchange dropped 586.73 points or 3.65 percent to 15,478.69 intraday Wednesday -- its lowest level since November 3, 2009.