Amid the assembly polls in the state, while addressing a public gathering in Kharagpur on March 27, West Bengal Chief Minister and Trinamool Congress (TMC) leader Mamata Banerjee alleged Prime Minister Narendra Modi is doing “vote marketing” in Bangladesh. CM Banerjee said, “Sometimes they say Mamata has brought people from Bangladesh and did infiltration. But he (PM) himself goes to Bangladesh for vote marketing.”