BSNL launches indigenous 4G with 98,000 towers

What happened
- India launched its first fully indigenous 4G (5G-ready) network with nearly 98,000 Swadeshi 4G towers [PIB].
- The core is by C-DOT, radio network by Tejas Networks and integration by TCS [PIB].
Background
- It is presented as a milestone in telecom self-reliance [PIB].
Why it matters
- India joins a small group of countries with their own telecom stack.
How to use this in Mains
- As per PIB (2025-09-28): india launched its first fully indigenous 4G (5G-ready) network with nearly 98,000 Swadeshi 4G towers.
- India joins a small group of countries with their own telecom stack.
Quotable data pointIndia launched its first fully indigenous 4G (5G-ready) network with nearly 98,000 Swadeshi 4G towers.
PIB: BSNL indigenous 4G stack, 28 Sep 2025
Exam angle
UPSC
Prelims: C-DOT.
Practice MCQs
Original practice questions (not PYQs).
Practice · UPSC
Core network of BSNL's 4G stack developed by
Answer (a) & explanation
PIB.
Official source: PIB: BSNL indigenous 4G stack, 28 Sep 2025
facts from cited sources only; faculty review pending