In a statement here, BJP district President Pratap Simha Nayak said Congress was trying to create disunity among communities and involved in character assassination of BJP leaders.
"The party will not respond to such statements and ask the Election Commission to take action against Congress leaders for violating rules, he said.
"Unfortunately, we have to tell a 100 year-old party to show some sportsman spirit during the elections," he said.
Senior Congress leader B Janardhan Poojary is locked in an intense battle with Naleen Kumar Kateel of BJP in the Dakshina Kannada constituency.
Lok Sabha polls in Karnataka are scheduled for April 17.