Indian shares closed down 7.07 percent on Friday, despite an injection of liquidity from the Reserve Bank, on growing fears over a deepening global financial crisis and weak economic data, dealers said. The benchmark 30-share Sensex index fell 800.51 points to 10,527.85."Concerns over an economic growth slowdown and the weakening global conditions led to a further downswing," said R.Balakrishnan of Centrum Broking.