Former Baleswar BJP MP Kharabel Swain on Wednesday filed his nomination papers for the Cuttack lok Sabha constituency as an Aama Odisha Party (AOP)-Utkal Bharat candidate. Swain, president of Utkal Bharat, who was earlier announced as the AOP-Utkal Bharat candidate for the Baleswar lok Sabha seat, later changed his decision in favour of Cuttack.