Facebook owned Whatsapp was down for about an hour during New Year 2018 at 12 AM.Many of the users from India had reported that they were not able to send messages to others. When tried to send messages, the messages were not delivered.
India is one of the largest user base for Whatsapp and many users were irritated that they were not able to wish their friends and family on occasion of New Year. There were also rumours that Whatsapp had wanted make their server down as it will make people to send messages via cellular networks and cellular networks will charge for SMS. This rumour had because the same had happened for every New Year since last 3 years.
Whatsapp Server was down for a very brief period and it was up again and people started wishing their friends and family on Whatsapp.