The 30-share barometer, which had gained 451 points in past 5 days to hit levels last seen on January 5, 2011, tumbled by 211.45 points, or 1.04 per cent to 20,090.65.
Investor wealth dropped a whopping Rs 78,000 crore today as 6 out every ten stocks fell on the BSE platform.
The BSE Banking index plunged 4.61 per cent. SBI fell 3.13 per cent, ICICI Bank by 3.73 per cent, HDFC Bank by 3.40 per cent and HDFC by 2.92 per cent were notable losers.
"Stocks markets sold off sharply on the back of fresh RBI measures. Due to these measures, banks having higher bulk borrowing would get impacted more as bond yields, CP & CD rates are likely to rise sharply," said Sanjeev Zarbade, Vice President- Private Client Group Research, Kotak Securities.
The 50-scrip National Stock Exchange index, Nifty dipped below 6,000 level by dropping 87.30 points, or 1.44 per cent to end at 5,990.50. Also, SX40 index, the flagship index of MCX-SX, fell by 117.61 points, or 0.97 per cent, at 11988.82.
Apart from banking shares, rate-sensitive sectors like consumer durables, capital goods, realty and auto saw selling today. Sensex constituents including BHEL, Hero MotoCorp, Hindalco, Hindustan Unilever, Reliance Industries, Maruti Suzuki, Mahindra and Mahindra, Larsen and Toubro, Tata Power and Tata Steel were major losers.
Besides cautious trades ahead of tomorrow's monthly derivative expiry, brokers said a mixed trend in the global markets also affected domestic markets.
