The call to investigate the controversial pass-through charges on electricity bills in gaining traction in the House of Representatives.The latest solon to seek such congressional inquiry is Assistant Minority Leader Bagong Henerasyon (BH) Party-list Rep. Robert Nazal, who wants to find out whether or not such charges on consumers are fair and equitable.Nazal filed in the current 20th Congress House Resolution (HR) No. 976, amid the mounting com…