A consortium of international investors led by the Singapore government’s investment arm, Temasek Holdings, has reportedly bought 8 to 10 per cent stake in Bharti Infratel for $1 billion. The other members of the consortium include the Investment Corporation of Dubai, Goldman Sachs, Macquarie Securities, AIF Capital, Citigroup and India Equity Partners. The deal puts the valuation of Bharti Airtel’s wholly owned subsidiary, Bharti Infratel, at $10-12.5 billion.