Karnataka Chief Minister B S Yeddyurappa today ruled out his resignation. Talking to the media in Hubli, he said he had done nothing wrong. Yeddyurappa insisted that there was no question of change in leadership in the remaining two-and-half-years of the state Government's term.Yeddyurappa returned to Bangalore from Delhi late on Friday, where BJP's Core Committee discussed allegations of land scams against him and the options before it.The Chief Minister said a retired Supreme Court judge would conduct the probe into denotification of land since 1994, and he would be asked to submit his report within six months.