Equity benchmark Sensex rallied over 600 points in early trade on Monday, tracking gains in index figures ICICI Bank, Reliance Industries and Kotak Bank amid positive tendency in world wide markets. The 30-share BSE index was trading 641.35 points or 1.34{4298251308cd288b939effe95b4c029e39df70679b4587e1449e43e4b08368d8} higher at 48,519.80. In the same way, the wider NSE Nifty jumped 178.90 points 1.25 per cent to 14,520.25.