With just days left for the nine-phase Lok Sabha elections to begin, BJP President Rajnath Singh and party patron LK Advani will file their nomination papers on Saturday. br br Rajnath, a sitting MP from Ghaziabad is trying his luck in Lucknow this elections. Advani, a five-time MP from Gandhinagar had insisted to contest the Lok Sabha elections from Bhopal this time, but he was denied the request and asked to seek re-election from his LS seat.