KOLKATA | MUMBAI: Bharti Realty, the real estate arm of Bharti Enterprises, is in talks with Canada's Brookfield and US-based private equity firm Blackstone, among others, to sell some of its upscale commercial property near Delhi airport and in Gurgaon, said people aware of the matter. "Bharti Realty's commercial real estate in the three Worldmark towers in Delhi Aerocity and another in Gurgaon are on offer," said one of them. "Discussions had transpired with Brookfield and Blackstone, among a clutch of global PE, fund houses." Another executive said, "Brookfield is the clear frontrunner for the deal.