Based on the woman's complaint, Ghaziabad Police arrested Preetam Singh, who is posted at Lajpat Nagar police station in Delhi, from Kavinagar area.
The 45-year-old woman has alleged in her complaint that in 2008 she was implicated in a case in Sangam Vihar area of the national Capital.
"Woman told police that the accused sub-inspector was the Investigating Officer of that case and used to threaten to implicate her in wrong case if she didn't make physical relation with him.
"She alleged that Singh raped her for several years," said Arun, Station House Officer(SHO) of Kavinagar police station.
According to the police, the accused, who is married, is the resident of Chanderlok area of Delhi and woman presently lives in Sangam Vihar area in the national Capital.
Police said that the accused used to take her to a flat in Babudham area of Kavinagar in Ghaziabad.
"We have arrested the SI based on woman's complaint and also sent the woman for medical examination. Further probe is on," the officer said.
However, the accused claimed that he had known the woman for over five years and had a good friendship with her, which later went wrong.
