The full form of INTAM is Indian National Television Audience Measurement. It’s used on News & Entertainment ,TV & Radio in India

Indian National Television Audience Measurement (INTAM) is a market research on television rating point (TRP), carried out by ORG-Marg (a consulting company in the field of market research). In INTAM they take a panel of households which represent the entire TV-viewing population of India. In these homes, the research agencies install an instrument called the peoplemeters which records the details of the programmes the household watches, for what length of time. From this data they calculated television rating point (TRP), and indexes the programme’s popularity, based on which corporates and ad agencies take their media spending decisions.