Media experts point out various flaws in the BARC television rating system. But what they don't point out is that BARC ratings (or the earlier TAM ratings) are not used by advertisers in isolation
First suspension was in April 2015 when those subscribing to television viewership data were asked to switch from TAM, the erstwhile television measurement agency, to BARC
TV ratings agency BARC's vigilance team found instances of panel home manipulation and took action with state police in Telangana to apprehend the culprits