VARANASI: A 2023-batch police sub-inspector, Sandeep Kumar, 28, committed suicide by jumping before a moving train late Saturday evening near Nagpur in Dharampur on the Varanasi-Chhapra rail route in Ballia district.Initial investigation of police exposed that already married Kumar was in extra marital relation with a 22-year-old woman of Sikandarpur, who had been blackmailing him.Ballia SP Iraj Raja on Sunday said that following collection of evidences and lodging of a complaint by Kumar’s wife the accused woman Roli Gond was arrested from an orchard near the railway station on the charges of abetment of suicide.Police investigation also cleared that the same woman had also lodged two rape cases against a police constable in past and the latter is still lodged in jail.Earlier, the incident came to light when a train’s loco pilot informed the Chitbaragaon station master through a memo that someone had jumped before his moving train to commit suicide.On being alerted by railway officials Chitbadagaon police and GRP reached the spot, where Kumar’s motorbike and mobile phone were found lying near the railway track while his mutilated body was detected on tracks.On getting information Raja, ASP South Sanjay Verma, CO Akshay Kumar and railway police officials also reached there while forensic team was engaged to collect evidence from the railway track area.Kumar, a resident of Sant Kabir Nagar, was married and had a six-month-old child. He had been posted at Chitbaragaon police station for past 11 months.He was transferred to Pakri police station but had not yet been relieved from his old posting because of Chhath festival arrangements. On Saturday evening, he had left police station by informing colleagues that he was going to his duty point.After postmortem examination the mortal remain of Kumar was brought to the police lines, where following guard of honours officials paid tributes and observed silence for two minutes.The officials also consoled Kumar’s family, which also remained at police lines.