Mumbai, October 27 (ANI): Investors and market analysts expressed their disappointment as the Bombay Stock Exchange plunged by over 200 points in Mumbai on Thursday. Meanwhile, equities witnessed selling pressure as traders offloaded positions after the Reserve Bank of India’s credit policy review was out on Tuesday wherein RBI tightened Non Performing Asset norms for banks and increased real estate provision to 1 persent from 0.4persent.