Besides measuring television viewership, TAM also monitors advertising expenditure through its division AdEx India.
The viewership cell runs what is one of the largest Peoplemeter TV Panels in the World with approximately 30,000 sample individuals representing all the Class-I towns (towns with population more than 100,000) polled every week for their Viewership habits.
This division measures television Viewership of audiences for the 300-plus TV stations operating in India.
TAM, a 50:50 joint venture between Nielsen and Kantar Media, was then responsible for the ratings that decide the fate of the `22,000 crore spending on TV advertising.
BARC India was planned and executed as an alternative to TAM Media Research Pvt.