Ravindra Yadav alias Pawan Yadav was nabbed near SSP office in collectorate campus here yesterday, police said.
Naresh Yadav of Khajani and Shailesh Kumar of Talanwar village told police that Ravindra had told them a few months ago he was in police service and would help them in getting the job.
After taking Rs 1.6 lakh from them for this purpose, he stopped picking up their calls, they said.
The accused told police that he had an ambition of becoming a police officer, failing which he got the uniform and tried to pose as a police sub-inspector.
A police cap and uniform has been recovered from his bag, they said, adding that police has registered a case against him and sent him to jail.