ISLAMABAD (INP) - The Prime Minister House refuting the claim of Leader of the Opposition in the National Assembly Ch Nisar Ali Khan that he did not receive any letter from President regarding reappointment of NAB Chairman, said the said letter was delivered on March 11 at 11:40 PM. In a press release, the PM House said that President Asif Ali Zardaris letter addressed to the Leader of the Opposition was delivered by special messenger at the residence of Ch Nisar on March 11 at 11:40 pm. The special messenger requested the guard Muhammad Ijaz to deliver the letter to Ch Nisar instantly because of its immense importance and urgency. However, the guard informed the special messenger that 'the Opposition Leader was in Lahore at that time and he would be apprised of that letter without any waste of time.