"Let the festival days pass off peacefully and happily. Muharram is coming immediately thereafter," they said appealing people in the state to remain cautious.
The state's heritage of maintaining peace and communal harmony should not be jeopardised by any communal elements, the Left leaders said and cautioned people to remain alert against disruptive forces.
"Let our cultural integrity and communal harmony be strengthened further with Durga Puja festival and Muharram," they added.