Benchmark equity indices settled lower in a volatile session on Friday following profit booking and underperformance in the FMCG sector. The BSE Sensex fell 269 points or 0.35 per cent to settle at 77,209.90. The NSE Nifty 50 slipped 65.90 points or 0.28 per cent to close at 23,501.10. Barring IT & Metals, all sectors ended in red.