QoS issue: Trai firm on decision to levy Rs3,050 crore fine on Airtel, Idea, Vodafone

Following a complaint by Reliance Jio, Trai had ordered telecom firms Airtel, Idea and Vodafone to pay Rs50 crore per circle for blocking calls from Jio phones
Source: Livemint.com (http://www.livemint.com/rss/industry)