"Our party and the leftists have suffered losses, and save Tripura, the leftists have seen erosion of votes everywhere".
Attacking the Trinamool, Karat said the party's rule has created fertile ground for the growth of "communal forces" in the state.
"This has had its impact in the polls. The future danger is there. The party has to find the way for confronting such forces politically," he said.
The CPI-M also decided to undertake programmes June 25 for protecting democracy on the 29th anniversary of the declaration of emergency in the country.
It would also observe the centenary of former chief minister Jyoti Basu across the state July 8.