K Natwar Singh, former union external affairs minister and the man in the midst of the oil-for-food controversy has decided to move a privilege notice against the Prime Minister Manmohan Singh in the Rajya Sabha tomorrow over the "leakage" of Justice Pathak Authority report, according to reports."We will possibly bring a privilege notice against the Prime Minister," Samajwadi Party leader Amar Singh said after his meeting with Natwar Singh.The SP leader said he had come to meet Singh with messages from AIADMK supremo Jayalalithaa and TDP chief N Chandrababu Naidu which he declined to divulge.