The Mumbai-based Advertising Agencies Association of India (AAAI) claimed the move by broadcasters was ill-advised and will lead to a collapse of TV as an advertising medium.
TV ratings provide the currency based on which thousands of crores worth of advertising time is bought by advertisers with confidence, it said in a statement.
Ratings also provide the basis on which media agencies to do sophisticated analysis and arrive at sharply targeted plans for a brand's target audience to minimise wasteful advertising and improve advertising effectiveness, it added.
AAAI said that an established rating system enables advertisers to invest large sums of money in advertising with the confidence that they are reaching the right number of desirable audiences.
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It has been seen from experience in India and other markets that an established Media Research study on an ongoing basis leads to rapid increase in advertising spends in that medium, AAAI said.
Those media which do not have such a system have not grown in India, the statement added.