VidBodh AcademyThe art and science of civil services preparation

Science and Technology › Communications

Telecom networks, spectrum and internet infrastructure

Telecom networks and the physical internet: mobile generations and spectrum, telecom law and its regulator, rural broadband, fibre, subsea cables and their landing stations, and the rules of the net. It serves GS3 answers on infrastructure and communications.

Showing 2 of 4 subjects, those that changed from 16 to 31 July 2026.Show all

Prelims and Mains

Bharat 6G is India's programme for the sixth generation of mobile technology, with a spectrum roadmap, a terahertz testbed and an alliance of research and industry bodies, working within the International Telecommunication Union's IMT-2030 framework.

What changed

  1. 28 Jul 2026New subject

    • The Department of Telecommunications released a spectrum roadmap for 6G, and a terahertz testbed is being built at the Society for Applied Microwave Electronics Engineering and Research (SAMEER), Kolkata with three IITs.
    • India secured ubiquitous connectivity as one of the six usage scenarios of IMT-2030, the International Telecommunication Union's framework for 6G.
    • The Bharat 6G Alliance has 90 member organisations.

    PIB, 28 Jul 2026: Government Reiterates Commitment to Making India a Global Leader in 6G Technologies (opens in a new tab) · PIB, 22 Jul 2026: Bharat 6G Alliance and Spectrum Roadmap for 6G in India (opens in a new tab)

Intra circle roaming in disasters

Copy link to Intra circle roaming in disasters

Prelims

Intra circle roaming lets a subscriber use whichever operator's network still works within the same telecom circle, and is switched on by direction of the Department of Telecommunications after a disaster.

What changed

  1. 24 Jul 2026New subjectalso in news

    • After floods and landslides, operators were directed to let any subscriber use whichever network still works within the same telecom circle, in parts of Jammu and Kashmir, Assam, Nagaland and Gujarat.

    PIB, 24 Jul 2026: Swift measures taken to ensure uninterrupted telecom connectivity and support emergency operations across disaster-affected region (opens in a new tab) · PIB, 23 Jul 2026: Measure Aimed at Ensuring Uninterrupted Telecom Connectivity during Disaster Situation (opens in a new tab)