After rumors were in the air, the news is confirmed now. Yes Mobilink and Warid are merging into one company. The details of deal are not announced by any of the telecom company. But govt. of Pakistan conformed the news. We are expecting the news to be out today.
For now we know that both Mobilink and Warid are merging and VimpelCom will become the sole stakeholder of Warid as Dhabi Group decided to exit from Telecom market of Pakistan.