Bharat Sanchar Nigam Limited (Chennai) O/o CGM, BSNL CHTD, No.78, Purasaiwakkam High Road, Chennai-600010
Bharat Sanchar Nigam Limited (KOLKATA) 0/o PGM/NWO/CFA Room No.218, 2nd floor Telephone Bhawan,34.B.B.D. BAG, Kolkata 700001
Bharat Sanchar Nigam Limited (KOLKATA) Telephone Kendra (TBZ), 10th Floor, P-10, New CIT Road, Kolkata -700073
Vodafone Idea Limited (Delhi) Vodafone Idea Limited, A-19, Mohan co-operative Industrial Estate, Mathura Road, Delhi -110044
Vodafone Idea Limited (Madhya Pradesh) Vodafone Idea Limited, 139-140 Electronic complex, Paradheshipura, Indore - MP – 452010
