<span style="color: #222222;">BJP today alleged that anarchy has spread in West Bengal and freedom of expression is being choked under West Bengal Chief Minister Mamata Banerjee's rule.<br />''<br />'' Briefing media in New Delhi, BJYM national president Poonam Mahajan said, party workers, have been put in jail in the state and claimed that there have been killings of workers. <br />''<br />''She said the party is trying to fight its case on the basis of the Constitution. </span><br />