As many as 22 companies have called off their initial public offerings so far in 2012, according to stock broking firm SMC Global Securities. They were planning to raise about Rs 8,392 crore in aggregate.
http://economictimes.indiatimes.com/markets/stocks/market-news/22-companies-have-called-off-their-ipos-so-far-in-2012-smc-global-securities/articleshow/14648594.cms
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