Real estate magnate's privately held K. Raheja Corp., run by sons Ravi and Neel, is mulling selling a minority stake in its commercial-property unit Mindspace, to raise $300 million. This will be followed by a REIT listing of these assets. The developer, known for its IT parks, has bought a 62-acre plot for $53 million in the Navi Mumbai area. Other assets include hotels, malls and department store chain Shoppers Stop.