Munger, Begusarai, Samastipur, Ujiarpur and Darbhanga will vote in the fourth phase of the Lok Sabha election on May 13 in Bihar with 56 candidates in the fray. From Munger, former Janata Dal president Rajiv Ranjan Singh, alias Lalan Singh, a sitting MP and a close aide of Bihar Chief Minister Nitish Kumar, is contesting against the Mahagathbandhan candidate Anita …