The IPO will open on July 27 and close two days later. : Mindspace Business Parks REIT, a real estate investment trust sponsored by K Raheja Corp and private equity fund manager Blackstone, has raised Rs 1,125 crore from a bunch of investors ahead of its initial public offering. The REIT allotted 40.9 million units to a handful of foreign institutional investors including Singapore sovereign wealth fund GIC and affiliates of Fidelity, Fullerton and Capital group at Rs 275 per unit, according to the offer document.