India's second largest domestic stock exchange BSE on Friday said it would hit the market with its initial public offering (IPO) on January 23. The IPO is expected to be sold in the price band of Rs 800-850 apiece, with existing investors offloading shares worth nearly Rs 1,350 crore through the offer. BSE has 302 shareholders, including Singapore Exchange and a Citigroup unit, who will sell up to 15.4 million shares with a face value of Rs 2 each, the red herring prospectus filed with the market regulator Sebi said.