sentences:  In February 2014, Gopal Vittal, CEO of Airtel's India operations, said that companies offering free messaging apps like Skype, Line and Whatsapp should be regulated similar to telecom operators.In August 2014, TRAI rejected a proposal from telecom companies to make messaging application firms share part of their revenue with the carriers or the government.In November 2014, TRAI began investigating if Airtel was implementing preferential access by offering special Internet packs which allowed WhatsApp and Facebook data at rates which were lower than its standard data rates.