The initial public offering (IPO) of RateGain Travel Technologies was subscribed 75 per cent a day ahead of its close, with bulk of the bids coming from retail investors. The retail portion of the IPO was subscribed nearly 4 times. Meanwhile, the institutional portion was yet to see a single bid and the wealthy investor portion was subscribed just 8 per cent.RateGain Travel is a software as a service (SaaS) company catering to the hospitality and travel industry. Its IPO comprises Rs 375 crore fresh fundraise and Rs 961 crore offer for sale. The price band for the IPO is