West Bengal Chief Minister and Trinamool Congress (TMC) candidate from Bhabanipur constituency, Mamata Banerjee, shows a victory sign after casting a vote in the second and final phase of the West Bengal Assembly elections, at a polling station in Kolkata, Wednesday. (PTI) A day after polling concluded in West Bengal and most exit polls gave the Opposition BJP the edge , TMC chief and Chief Minister Mamata Banerjee urged party workers and people of the state to guard strong rooms where Electronic Voting Machines (EVMs) are stored, saying she too would stand vigil. In a video message posted on social media, Banerjee rejected the exit poll projections, saying they had been aired on the “instruction of the BJP” to “demoralise” TMC workers and said her party would cross 226 seats in the House of 294. Asking TMC workers to remain calm, she said they must not “retaliate right now” if attacked. “I am asking our workers and the general people to guard the strong rooms and counting centres.…