Forty news channels in the country, organised under the banner of the News Broadcasters Association (NBA), have demanded from TAM Media Research, the principal audience ratings agency, that viewer data is released once a month instead of the weekly format prevalent now.
http://ummid.com/news/2011/September/11.09.2011/news_channel_internal_audit.htm
http://ummid.com/news/2011/September/11.09.2011/news_channel_internal_audit.htm
