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Benchmark equity indices Sensex and Nifty rallied more than one-and-a-half per cent to hit their lifetime highs on Friday helped impressive GDP data and fresh foreign fund inflows. The 30-share BSE Sensex jumped 1,245.05 points or 1.72 per cent to reach 73,745.35 — its all-time closing peak. During the day, it zoomed 1,318.91 points or 1.81 per cent to hit a record intra-day high of 73,819.21.