Contractual employees of Bharat Sanchar Nigam Limited (BSNL) raise slogans against the Central Government during their agitation in Kolkata.

A contractual employee of Bharat Sanchar Nigam Limited (BSNL) holds a banner during their agitation against the Central Government in Kolkata.

Members of Contract workers union of BSNL take part in a protest rally over non-payment of pending salary, in Kolkata.

Members of Contract workers union of BSNL take part in a protest rally over non-payment of pending salary, in Kolkata.

Supporters of left wing trade unions shout slogans as they walk with a banner during a rally on May Day in Kolkata. Thousands of trade union members and activists were marking May ...

Touching history People wait in line to send telegrams in Calcutta on the last day of the service on July 14

Fire fighters douse fire at City telephone exchange of Bharatiya Sanchar Nigam Limited in Bhopal.