TRAI Clarifies: 1600 and 140 Number Series Calls Cannot Be Blocked by Third-Party Apps
India's TRAI stated that calls from the 1600 and 140 number series cannot be tagged, filtered, or blocked by third-party apps, except via the DND registry for promotional calls. The 1600 series is for service/transaction calls from regulated entities, while 140 is for registered telemarketers.













