In Jammu and Kashmir, the Government has approved the installation of towers of harmonious call-blocking system in all 14 jails of J and K to prevent unauthorized communications.
The installation of towers of a harmonious call-blocking system would block incoming and outgoing calls, SMS and data
services in the prison premises.
The Home department of J&K has approved the project of installation of a harmonious call-blocking system in all 14 jails of J and K for blocking 2G, 3G and 4G signals that could later be used for 5G as well.