Party sources said that it was expecting to do well in West Bengal by winning a majority of the 42 seats in the forthcoming LS elections.
How many seats it won in the parliamentary election was important in its effort to emerge as a key player in the national politics post-election, sources said.
"We will also contest polls in UP, Bihar and Manipur, Arunachal Pradesh, Tripura. The party has decided to field candidates in the Lok Sabha polls for the first time in Kerala," TMC general secretary Mukul Roy told PTI.
"I am going to Kochi on December 28. We have a small unit in Kerala. TMC had organised procession in Kerala on the Nandigram issue. We have decided to contest the coming Lok Sabha elections in Kerala," he said.