RateGain Travel Technologies Ltd. has raised Rs 600 crore from qualified institutional buyers through the issue of 93.3 lakh shares at a face value of Re 1 each. The issue price for the QIP was Rs 643 apiece, a discount of 4.97% to the floor price, it said in its exchange filing on Monday. Pinebridge Global Funds, Troo Capital Ltd, ICICI Prudential Mutual Fund, Kotak Mahindra Life Insurance Co., and Founders Collective Fund were amon…