Vi 5G Review: Speedtest Results in Kolkata

Vi, the third largest mobile operator of India, has launched 5G, and it is now in Kolkata too, but in a few pockets of the metro. Though it's not present at my home area, it is widely available in Salt Lake. 

To deploy 5G, Vi took a multi-vendor strategy - made deals with Samsung, Nokia and Ericsson for different circles. In Kolkata Nokia is the vendor of Vi 5G. 

BSNL 4G Officially Launched on 27th September 2025 - Discussions

BSNL, the state owned telecom service provider has officially launched its 4G-LTE services in India in an event at Jadsuguda, Orissa as India's prime minister Narendra Modi unveiled Swadeshi 4G network of BSNL on September 27, 2025. In fact, BSNL completed its 25 years of milestone of September 26, 2025. 

BSNL has deployed indigenous 4G stack, made by Tata backed Tejas Networks & TCS and C-DoT. Multiple Indian startups are also part of it. It is aligned with the government's strategy of Atmanirvar Bharat (Self reliant India).