LARKANA, Oct 12: Pakistan Muslim League-Nawaz (PML-N) leader Sardar Mumtaz Ali Bhutto has said that in the upcoming general election, he will contest for the Ratodero seat and will not leave the ground vacant for the Zardaris.“The Ratodero seat is historically a seat only for the Bhuttos,” he told visitors at his Mirpur Bhutto residence on Friday.