India Trusted Source: Centre likely to blacklist some telecom equipment vendors India Updated: Wednesday, December 16, 2020, 17:29 [IST] New Delhi, Dec 16: The Centre today said that it may blacklist certain telecom equipment vendors and also designate companies as India Trusted Source. The decision comes in the wake of the ongoing tensions with China. As a result of this, the telecom sector may soon have a list of companies from where the firms can buy services and products. Ravi Shankar Prasad The decision was taken by the Cabinet Committee on Security to enhance security of telecom sector by designating a trusted source, Union Minister Ravi Shankar Prasad said. So there's a trusted source and there's a not trusted source," the minister also said.