BSNL
BSNL stands for Bharat Sanchar Nigam Limited, the major state‑owned telecommunications provider in India, and is also used informally in various slang expressions.
Miscellaneous
Bhai Sahab Nahi Lagta
Bhai Signal Nahin Lagata
Bad Service nigam Limited
Boringly Slow Net Line
Bharat Sanchar Nagam Limited