The CBI on Friday is likely to question BJP Rajya Sabha MPs Prakash Javadekar, Bhupendra Yadav and party general secretary Ramlal, who figured in a sting operation that showed them purportedly trying to negotiate with the mother of the victim of fake encounter Tulsi Prajapati.br br The three leaders have refuted the charge and maintained that they are innocent. Javadekar had said he is ready to answer all questions pertaining to the CD.