BIRGUNJ: As many as four Indian National were arrested for their alleged involvement in defrauding a woman in pretext of doubling her gold ornaments at Murli Chok in Birgunj Metropolitan City-13, on Thursday, police said. The conmen tempted their gullible target to provide her ornaments to double it today itself. DSP Chakra Raj Joshi identified the suspects as  Pintu Nat, Mukhilal Nat, Bhuwan Nat, and Binod Nat of Baliya district in Uttar Pardesh State in India. The arrestees have been detained at the Parsa District Police Office, according to Joshi. Meanwhile, police are preparing to file fraud case against them.