An estimate based on the new tariffs would indicate that BSNL is paying the DoT around ₹2 crore a year for the segment between Chennai and Port Blair, plus taxes and other charges.

Source: https://www.thehindu.com/news/national/three-years-after-the-launch-of-the-undersea-internet-cable-andaman-nicobar-islands-struggle-with-choppy-connectivity/article66687896.ece

BSNL floated a tender on October 2022 for 1 lakh 4G sites.

Source: https://www.gadgets360.com/telecom/news/5g-services-rolled-out-329-cities-across-licensed-service-areas-mos-devisinh-chauhan-3864181

BSNL is setting up a tower and Airtel is also soon going to put its 4G there,” Leta said.

Source: https://indianexpress.com/article/india/4g-connectivity-boosting-digital-economy-at-indo-china-border-100-coverage-planned-in-a-year-8583776/

State-owned telco BSNL is expected to turn around, generating net profit in fiscal year 2026-27, with the implementation of the approved revival measures, Parliament was informed on Friday.

Source: https://www.freepressjournal.in/business/bsnl-expected-to-clock-net-profit-in-fy27-mos-communications-devusinh-chauhan

We shall install 250-300 New Sites in Urban areas and also 650 sites would be developed for 4G saturation I think BSNL will have very good coverage in six months' time as we have started a step forward.

Source: https://www.gadgets360.com/telecom/news/bsnl-increase-market-share-15-20-percent-double-in-three-years-india-30000-crore-investement-4038195