Eastern Telecom Region (ETR), one of the four Regional Units of Bharat Sanchar Nigam Limited, a Govt. of India Enterprise, headed by Chief General Manager Maintenance, Eastern Telecom Region, Kolkata, is responsible for the maintenance of National and International long distance (NLD & ILD) telecom network consisting of Optical Fibre Cable (OFC), Microwave (MW), Satellite, KU Band and VSAT, Managed Leased Line Network (MLLN) and Multi Protocol Label Switching (MPLS) Network in the Eastern States of West Bengal, Bihar, Odisha, Jharkhand, Assam, Meghalaya, Tripura, Sikkim, Manipur, Nagaland, Arunachal Pradesh and the Union Territories of Andaman & Nicobar Islands. It provides leased circuits to Government as well as Private organizations.

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