Kolkata, Sep 07 (ANI): While on his two-days visit to West Bengal to strategize on the state by polls, BJP President Amit Shah slammed Chief Minister Mamata Banerjee and said that if she pays attention to the locals and not Bangladeshi infiltrators, the state can prosper in much intensity. Shah said that if Banerjee give half the time what she consumes in playing politics to people of Bengal, it can prove fruitful for the state. The BJP president also talked about the works done by the NDA government for the country and said that this is for the first time in years that the price of petrol have come down to this extent.