Patna/Ranchi: Bharat Sanchar Nigam Limited (BSNL) is likely to launch 4G mobile service by the end of this year in Patna and rest of Bihar circle, said principal general manager (PGM), Patna telecom district, Arbind Prasad on Thursday. Prasad, a 1993-batch Indian Telecom Service (ITS) officer, has recently took over as the new PGM of […]