The father of Soumya Ranjan Mohapatra, ACF of Parlakhemundi who died under mysterious circumstances, on Monday met DGP Abhay and demanded a polygraph test of his daughter-in-law Bidya Bharati, DFO Sangram Behera and cook Manmath Kambha. All three have been named in the FIR after a murder case was registered. On Sunday night, the 32-year-old Mohapatra sustained serious burn injuries while his wife was at home. He was admitted to the MKCG Medical College and Hospital in Berhampur with 90% burns. Later, he was shifted to a private hospital in Cuttack where he succumbed to his injuries.