BSNL to expand its Made in India 5G network across India. BSNL is preparing for indigenous 5G expansion after its 4G network began delivering the expected results, according to senior official Vivek Dua. The company is also expanding 4G coverage, upgrading its Vani chatbot for regional-language support, partnering with Saptang on network-level data filtering and introducing Bharat Sandesh for digital communication.