Bhubaneswar: Biju Janata Dal president and Odisha Chief Minister Naveen Patnaikon, who is seeking his re-election from his Hinjili assembly seat in Ganjam district, filed his nomination for the second seat — Kantabanji in Bolangir district— on Thursday. Patnaik reached Titilagarh City High School in a special chopper from where he headed to the sub-collector’s office and filed his nomination …