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BSNL 4G Sim कैसे Port करें 7 दिन तक Incoming Breaking bsnl free sim online Bharat Sanchar Nigam Ltd on Thursday announced a unique offer where its landline customers can now take a free SIM card and make unlimited bsnl online sim buy BSNL is offering free digitalisation and 4G SIM upgrade services to its customers across the

bsnl sim online apply BSNL has extended its free SIM offer till September 30, 2021 The government telco is also giving Rs 600 discount to existing landline users