Dec 20, 2020 Rs. 1,750 crore in its data security and cloud infrastructure network Bharti Airtel’s data centre subsidiary Nxtra Data plan to invest Rs. 1,750 crore in its data security and cloud infrastructure network. The capital expenditure is being driven by an earlier investment from US-based Carlyle Group, which had paid $235 million for a 25 per cent stake in Nyxtra earlier this year. The rest of the equity is held by Bharti Airtel.