Business TRAI recommends restructuring of BARC to 'improve credibility' of TV ratings Updated : April 28, 2020 05:38 PM IST BARC commenced operations in 2015, and since then has been exclusively responsible for providing TV ratings. TRAI has also suggested that Chairmanship of the Board should be rotated among the three industry associations, every two years. TRAI has also advised a cooling period of 4 years for nominees of the industry associations, in case of consecutive terms. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.