Hello, here I am providing you the details of the Bharat Sanchar Nigam Limited Corporate Office Address as under:

About the company:
Bharat Sanchar Nigam Limited (abbreviated BSNL) is an Indian state-owned telecommunications company headquartered in New Delhi, India. It was incorporated on 15 September 2000 and took over the business of providing of telecom services and network management

Corporate office:
GM (VAS),
Bharat Sanchar Nigam Limited,
Room No. 129, First Floor, Bharat Sanchar Bhawan,
H.C. Mathur Lane, Janpath, New Delhi - 110001

Services
Fixed line and mobile telephony
Internet services
Digital television
IPTV

Key person:
Anupam Shrivastava
(Chairman & MD)

Details:
Revenue ₹ 271.29 billion (2013)
Operating income ₹ -79.55 billion (2013)[1]
Net income ₹ -78.84 billion (2013)[1]
Total assets ₹ 956.89 billion