The Trinamool Congress's charge was led by chief minister Mamata Banerjee and her nephew, who is also an MP, Abhishek Banerjee.
In his successive rallies, the prime minister attacked the TMC government over "appeasement politics", while raking up the issue of ground-level corruption, including the alleged irregularities in Amphan relief.
West Bengal CM and TMC supremo Mamata Banerjee address an election campaign rally at Baruipur in South 24 Parganas.
On the other side, the chief minister took on the leaders who left her party to join the BJP ahead of the elections, urging people to vote against the "traitors". She also attacked the BJP-led government at the Centre over rising fuel prices and the state of the economy.