India, March 31 -- Airtel, one of India's biggest telecom companies, just announced a major move: it is bringing in $1 billion into its data centre subsidiary, Nxtra Data Ltd. This money is coming from three big investors: Alpha Wave Global, Carlyle, and Anchorage Capital. Airtel itself will also put in some money alongside them.

Investor Contribution The breakdown is straightforward. Alpha Wave Global is the biggest backer at $435 million. Carlyle is putting in $240 million, and Anchorage Capital is contributing $35 million. The remaining amount will be paid by Airtel itself. Even after this deal, Airtel will keep a controlling stake in Nxtra, meaning it will still be in charge.

What is Nxtra, and why does it matter? Nxtra is Airtel's ...