With the transaction, Cloudtail resumed selling products as of midnight, people familiar with the matter said. The Amazon entity sold 25 per cent of its shares to Prione Business Services Pvt, a company run by billionaire Narayana Murthy’s Catamaran Advisors LLP. Prione now owns 76 per cent of the venture from 51 per cent previously, they said. The remaining 24 per cent is now owned by a non-Indian arm of the US retailer’s called Amazon Asia-Pacific Resources Ltd, they said, asking not to be identified talking about a private matter.