Falling for the seventh straight session, the Sensex at the Bombay Stock Exchange dropped 90 points, or 0.6 percent, to close at 16,372, today, on continuing worries about slowing domestic growth, and declining Asian and European bourses.The Sensex has now lost almost 1,200 points in the last seven trading sessions.The Nifty at the National Stock Exchange shed 29 points, or 0.6 percent, to 4,906.Stock markets in Japan, China, Hong Kong, South Korea and Singapore fell between 1.2 percent and 2 percent, on persistent concerns about the euro zone debt crisis.