Stocks that hit their 52-week low include Adani Ports, Allahabad Bank, Andhra Bank, Bank of Baroda, Bank of India, BHEL, Central Bank of India, Dena Bank and DLF.
Similarly, Hindalco Industries, Idea Cellular, IOB, PNB, SAIL, Suzlon Energy, Tech Mahindra and UCO Bank too touched their 52-week low level.
Banks came under heavy selling pressure after posting disappointing quarterly numbers that also hit the broader market sentiment.
The BSE Sensex resumed lower at 23,938.32 and fell further to 23,636.72 before concluding at almost 21-month low of 23,758.90, showing a loss of 262.08 points or 1.09 per cent. The index had ended at 23,551.00 on May 12, 2014.
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"The market is in the bear grip and has hit a fresh intra-day 52-week low today. The road ahead looks jittery with the upcoming union budget and the deepening slowdown in the rest of the world," said Vinod Nair, Head-Fundamental Research, Geojit BNP Paribas Financial Services Ltd.
At the BSE, 2,036 stocks declined, while 608 advanced.
109 stocks remained unchanged.
Among the 30-Sensex stocks, 22 ended lower led by Tata Motors, State Bank of India and Housing Development Finance Corporation.