How is TRP counting done?

http://www.barcindia.co.in/Description-Of-Methodology.aspx

The Universe Size of Total HHs, TV HHs, and their related demographic details was estimated from the Universe Establishment Survey, Broadcast India 2016. The study was commissioned by BARC India and covered 300,000 households across the country. The study estimated the Total and TV population of households and individuals, their location, demographic distribution, connection type, language preferences and other media consumption. To ensure credibility of the survey respondent data, the Research Agency performed ground quality checks, telephonic checks and real time workforce tracking checks. The information collected from each survey respondent included the household head's name, family member demographics, number of durables owned, education of the household's chief wage earner and physical address. The Establishment Study (as well as the Panel) cover all parts of India except certain geographies that are unreachable due to harsh terrain, distance or areas with political unrest and safety concerns to field workers. These uncovered' geographies together account for approx. 0.6% of households and 0.7% of individuals as per the Census of India 2011. Since these areas are not covered in the study, their estimated Universe Size is also excluded from the BARC India TV Universe Estimates.

Uncovered areas include Andaman & Nicobar Islands, Lakshadweep, Kashmir valley, Kargil, Ladakh and some parts of Arunachal Pradesh. Going forward BARC India may include such areas in future Establishment Surveys, based on support received from government and official agencies, which help it overcoming the stated challenges.

The Universe size of all HHs and TV Owning HHs has been estimated using data obtained from Broadcast India 2016, applied to population growth projections from the Census of India projected through 1 March 2016.

As part of Quality control procedure; Physical, Telephonic and GPS based back checks are being done on large scale during establishment study followed by extensive data back checks at the time of selecting the Home for panel.