One Arun Prasad Singh, a resident of Sikarhula village, had lodged a complaint with the vigilance department that one Ravindra Kumar, the survey amin, was demanding a bribe for the report, a vigilance department release said.
The allegations were found to be true during the verification carried out by the bureau, it said.
A flying squad team was constituted under Deputy Superintendent of Police Mohammad Jamiruddin who raided a private office at Sikaraul Dihpur area of the district and caught him when he was accepting Rs 35,000 from the complainant.
The accused would be produced before a Special Vigilance Court at Patna after interrogation, the release said.
Altogether 44 persons have been arrested in 42 trap cases laid by the bureau in 2017.