Equity benchmark Sensex tumbled over 192 points in early trade on Monday, tracking losses in index majors HDFC twins, ICICI Bank and Reliance Industries amid unabated foreign fund outflows.

After slipping over 192.17 points lower, the 30-share BSE index pared some of its losses to trade 54.98 points or 0.10 per cent lower at 52,920.82 in initial deals, while the broader NSE Nifty fell 11.55 points or 0.07 per cent to 15,844.50.