four-week rolling
                Advertisers brace for major reset with unrolling of news viewership data
            
                BARC’s shift to weekly unrolled ratings: What it means for news genre
            
                BARC India vindicates BestMediaInfo’s case against four-week rolling average
            
                BARC under scanner again as PM’s Operation Sindoor eve speech underdelivers
            
                Aaj Tak most watched in election weeks, even on BARC India's rolled data
            
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