Bsnl

• BSNL's BTS Installation: A Communication Milestone at Siachen Glacier
  
  Enhancing Connectivity for Soldiers in Extreme Conditions
  https://www.onlineupscinstitute.com/current-affair/bsnls-bts-installation-a-communication-milestone-at-siachen-glacier
• Exploring BSNL's Voice over WiFi Technology
  
  A New Era in Telecommunications
  https://www.onlineupscinstitute.com/current-affair/exploring-bsnls-voice-over-wifi-technology