Yes, after so many updates recently from WhatsApp such as Snapchat type feature, video recording in the app, new emojis and link to invite users to the group. WhatsApp is now found testing the video calling feature on Windows Phone. WhatsApp beta users on windows phone reportedly received an update about WhatApp Video calling feature. WhatsApp have been trying to introduce this video calling feature from last December.
The update about the video calling feature was first reported by Spanish website OneWindows.es. The update was even reported in India. Ramees Raja, from Chennai have also shared the screenshot of the video calling feature on Windows phone.