India CTV measurement has five structural gaps that planners must account for: (1) No cross-publisher deduplicated reach — each platform reports its own unique device reach, and there is no third-party system to deduplicate overlap when you run across JioCinema, JioHotstar, and YouTube CTV simultaneously; (2) No unified advertising identity — each platform uses its own identity (Jio account, Google account, Samsung TIFA), and there is no common cross-platform ID equivalent to a cookie or universal advertising ID; (3) Limited third-party impression verification — IAS and DoubleVerify offer India CTV coverage but penetration is lower than in the US, and not all publishers support their SDKs; (4) No currency-grade audience measurement — BARC measures linear TV comprehensively but CTV ad audience measurement is self-reported by platforms, not audited by an independent currency; (5) Weak attribution — connecting CTV exposure to offline sales or app installs requires deterministic identity that most India campaigns cannot provide at scale.
What planners can do: for impression quality, insist on IAS or DoubleVerify pre-bid filtering on all programmatic buys. For reach, report per-platform and use statistical overlap estimates rather than simple sums. For attribution, use geo holdout tests or platform-provided matched market testing where available. The measurement infrastructure is improving — JioCinema and JioHotstar have been more open to third-party measurement than legacy players — but the gaps are real and planners who claim cross-platform deduplicated reach in India are reporting a number that does not exist.
Full guide
For a complete explanation, read: The state of CTV measurement in India: what is reliable, what is not, and what is coming