There is not any skimpy competition of PTCL in landline but with the progress of telecommunication business of Pakistan rivalry increasing specially in mobile phone sector. You will find more then 800 million customers of cellular phone. You will discover 03 big players in mobile phone industry but 3 of them are the competitor of PTCL: Mobilink, Telenor, Warid Tel. Mobilink is the largest mobile phone company of Pakistan. Mobilink happens to be having more then 31, 958, 597..