WATCH: What Mukesh Ambani, Mark Zuckerberg said about mega deal

"All of us at Reliance and Jio are delighted to welcome Facebook Inc," billionaire Mukesh Ambani said. Earlier in the day, Facebook announced an investment of USD 5.7 billion (Rs 43,574 crore) to buy a 9.99 per cent stake in Ambani's telecom arm Jio. Watch the video for their comments.