The 48-year-old victim sales country-made liquor in the outskirts of the city, Deputy Superintendent of Police Kanhaiya Upadhyay said.
The two accused -- Rajesh Kumar and Ram Pravesh Tiwary, a constable on contract -- had taken the woman by force to the latter's quarter after drinking liquor at her shop last night, she said in the FIR.
Rajesh allegedly raped her there after Tiwary, a retired armyman, left for duty.
The woman was sent for medical check up.