New Delhi, June 28 -- Cube Highways Trust, an Indian infrastructure investment trust backed by the Abu Dhabi Investment Authority and Mubadala Investment Co. has kicked off roadshows for its initial public offering (IPO), aiming for an October launch, according to two people familiar with the matter.

"Volatility in the primary market is receding and there is a stable window for large-scale institutional fundraising," said an investment banker involved in the transaction, who asked not to be identified as the discussions are private. "Though the DRHP (draft red herring prospectus) was filed in March, it was important to wait out a few uncertain months."

Now, the company is reaching out to a select set of domestic and overseas institution...