Withdraw FIR order against Modi, book Rahul: BJP

"This is a threat of serious dimensions made by a highly placed Congress leader, which should not be taken lightly by the EC," reads the letter.

"If he (Gandhi) is not able to convince the commission about the veracity of the content of his speech, the panel may like to suitably deal with him for a serious violation of the model code of conduct which prohibits 'unverified allegations or distortions'," it demanded.