Under the new policy, the jammers can be procured only by defence forces, state police departments, jail authorities and central government security agencies.
Prior permission of Secretary (Security) in Cabinet Secretariat must be obtained before procurement of jammers, it said.
The new norms bar examination conducting bodies to procure jammers. They will have to go through an authorised PSU vendor if they require jammers.
These norms take into account the need to guard against random proliferation of jammers as well as to ensure that jammers installed do not unduly interfere with the existing mobile phone networks and with the equipment being used by security agencies, the Cabinet Secretariat said.
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However, central or state PSUs, wanting to manufacture jammers, can apply to the Secretariat giving details of the model, the source of technology and other relevant information, it said.
"Inviting open tender from unauthorised manufacturers is a violation of the policy of Government of India in matters of procurement of jammers," the Secretariat said.
For seeking prior permission for installation of jammers in jails, the total number of jammers required for installation in prisons need to be assessed by jail authorities in consultation with the local office of the wireless adviser, Department of Telecommunications, before the proposal is submitted for seeking approval, it said.