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The Bharat Sanchar Nigam Limited and Mahanagar Telephone Nigam Limited have been offering free SIM for Landline customers

BSNL notes that other telecom SIM users can switch to BSNL for no additional cost by getting a recharge above Rs 100 BSNL has also extended

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bsnl free sim online BSNL offers free 4G SIM card upgrades at select locations such as customer service centres, franchisee offices, retail stores, or DSA Do note