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India’s telecom giant Bharti Airtel

has raised $1 billion for its data center arm — Nxtra Data — from private equity firms Alpha Wave, Carlyle

and Anchorage Capital, underscoring a growing global interest in the sector.

Bharti Airtel is India’s second-largest telecom operator and the raise will value Nxtra Data at about $3.1 billon once the transaction closes, the company said in a stock exchange filing on Monday.