BSNL is a technologically focused firm that offers various forms of telecom services, including wireline, wireless local loop (WLL), mobile phone services, broadband, internet, leased circuits, and long-distance telecom service. BSNL With a 100% digital switching network, the firm has been at the cutting edge of technology. The BSNL national telecommunications network connects all district headquarters, sub-divisional headquarters, Tehsil headquarters, and practically all block headquarters.