JOYSAGAR, July 20: The ACJM Court, Sivasagar has remanded Debashish Khargharia, the prime accused in the mysterious death of artiste couple Rajani and Rubi Khargharia to three days judicial custody. Debashish is the couple’s only son and is an employee of ONGC. According to reports,the prime accused with his wife Geetashree allegedly misbehaved and mentally tortured the couple. Before committing suicide, Rajani Khargharia had written as many as five letters to various electronic media as well as sivasagar citizens where he referred to his son and daughter-in-law as being primarily responsible forcing him to take such an extreme step. Debashish remained absconding for 20 days when police arrested him in Guwahati on Thursday. However, his wife Geetashree is yet to be nabbed, revealed sources.