Deal gives Blackstone exit with 4X returns, its largest in Asia so far. : In a move that will see private equity major Blackstone making a windfall from one of its Indian investments, French back-office services company, Teleperformance, on Wednesday said it would acquire business process outsourcing (BPO) services company, Intelenet Global Services, for $1 billion (around Rs 68 billion). The deal would see Blackstone exiting Intelenet with a 4X return, its largest exit in Asia so far.