BSNL employees protest in Kolkata December 29, 2020 by Minhaj Adnan Kolkata: Bharat Sanchar Nigam Limited (BSNL) employees raise slogans against the Central Government during their agitation in Kolkata, Tuesday, Dec 29, 2020. (PTI Photo/Swapan Mahapatra) Kolkata: Bharat Sanchar Nigam Limited (BSNL) employee holds a banner during their agitation against the Central Government in Kolkata, Tuesday, Dec 29, 2020. (PTI Photo/Swapan Mahapatra) Kolkata: Narmada Bachao Andolan leader Medha Patkar along with BSNL employees shout slogans during an agitation against the Central Government, in Kolkata, Tuesday, Dec. 29, 2020. (PTI Photo/Swapan Mahapatra)