PATNA, April 23 -- In a new twist that could change the results in the Madhubani Lok Sabha constituency that goes to polls in the fifth phase on May 6, former RJD leader Md Ali Ashraf Fatmi withdrew his nomination on Monday morning, leaving the contest mainly between Congress leader Shakeel Ahmad, who has filed his nomination both as an Independent and as the party candidate without its explicit nod, Badri Purve of the Mukesh Sahni's Vikashsheel Inshaan Party (VIP) and BJP'S Ashok Yadav, son of party veteran and sitting MP Hukmdev Narayan Yadav....