"If she says that the Narada tapes are not true, then why has the state registered a case against K D Singh?" Ahluwalia asked.
Singh, a Trinamool Congress MP in Rajya Sabha, had allegedly funded the Narada sting operation which showed several of the party's ministers, MPs and MLAs accepting cash in exchange for favours.
Banerjee had also gone on record saying that giving Rajya Sabha ticket to Singh was a "blunder" committed by her.
Commenting on Banerjee's statement that BJP and RSS were trying to spread violence in West Bengal, he said "Everybody has his or her own freedom of speech. No one can stop that.