Addressing a rally at the port city of Haldia in Purba Medinipur, which also doubles up as one of the state's industrial hotspots, PM Modi assured the people of rescuing the state from the existing "reign of fear" and creating an atmosphere of all-pervading "trust".

"Investments cannot be ushered in when an atmosphere of fear prevails. It can only happen when there is trust, which the BJP will bring in Bengal once it forms government here," PM Modi said, focusing on the party's industrial plank in the run-up to the polls.

Canvassing for BJP candidates in the backyard of Leader of Opposition Suvendu Adhikari, PM Modi connoted the Mamata Banerjee administration as "Nirmam (cruel) sarkar", an obvious play on words on the chief minister's name as its antonym.

"While the entire country is walking on the path of progress, the TMC's Nirmam Sarkar is pulling Bengal back in a sustained manner. To usher in a Viksit Bengal, it is essential to remove the TMC's 'Nirmam Sarkar'," the prime minister said.

In his bid to take the wind out of the sails of CM Mamata Banerjee, who alleged the BJP would impose restrictions on eating fish if it wins the polls, PM Modi alleged the TMC government failed to match fish production with its high demand in the state.