Marquee global investors GIC of Singapore, Temasek-owned Mapletree and Blackstone Group, among others, are vying to acquire one of the oldest technology office zones located in Bengaluru — IBC Knowledge Park — for over Rs 2,300 crore, people directly aware of the matter said.India Builders Corp, or IBC, a legacy office space developer in southern India, is selling a 2.2-million-sqft office asset, which counts Accenture, IBM, Byju's and Swiggy as tenants. Global investors, chasing stable yields in office real estate, have limited assets of scale in Asia's third-largest economy, driven by a strong services sector.