The acrimony between telecom giants Bharti Airtel and Reliance Jio Infocomm was set aside for a while at an industry conference when their heads Sunil Mittal and Mukesh Ambani acknowledged each other as ‘good friends’ and indulged in a spirit of bonhomie that has been missing from India’s telecom sector for a year.'Good friends' Mukesh Ambani and Sunil Mittal indulge in spirit of bonhomie