The 30-share BSE barometer tanked 619.60 points to close at 13,802.22, a level last seen on May 10 last year.

The key index dipped to day's low of 13,760.24 points and a rose to a high of 14,127.76 points.

The 50-share Nifty on National Stock Exchange also dropped 179.20 points at 4,136.65, after touching the day's low of 4,119.20 and a high of 4,315.30 points.

Country's biggest private sector lender ICICI Bank fell to its lowest in 21 months, while housing finance major HDFC lost a whopping dropped 8.15 per cent.

Other index-related heavyweights Reliance Infra lost 7.72 per cent, Infosys 4.17 per cent, Reliance Industries 2.56 per cent and Wipro 7.78 per cent.

Markets which beat anticipations of a steep fall on RBI's further tightening of money supply early this week reacted sharply to today's inflationary data which rose further to 11.42 per cent.

Brokers said a weakening global trend and crude oil surging to new record of over 141 dollar a barrel also cast a shadow over the bourses.

Investor sentiment was also dampened by interest rate hike announced yesterday by banks, notably SBI, as they fear a crunch in financial, commodity and realty sector sectors, they added.

Reliance Industries, the most valuable listed company having nearly 15 per cent weightage on the Sensex, fell 2.2 per cent at Rs 2,181.90. ICICI Bank fell 5 per cent to Rs 663.10, the lowest since September 26, 2006.

DLF Ltd tumbled 4.8 per cent to Rs 424.20 as higher interest rates would slow home sales and erode profitability.

Unitech, the second-biggest developer by market value, fell 1.6 per cent to Rs 182.80.

The major pull to the market came from the metal sector index by 640.96 points at 13,292.45, followed by capital goods index by 445.09 points at 10,442.14.

Bank index dropped by 345.64 points at 6125.95, oil and gas index by 289.75 points at 9387.63, PSU index by 261.09 points at 5821.62 and realty index by 2227.18 points at 4875.25.

IT index dropped by 177.11 points at 4,004.75, auto index by 204.83 points at 3689.92, power index, by 119.55 points at 2335.26, consumer durable index by 117.73 points at 3649.33, tech index by 124.29 points at 3093.63 and FMCG index by 69.47 points at 2073.15.