Kolkata Police Recruitment Board KPRB successfully conducted Kolkata Police Constable Exam. Now KPRB Exam Kolkata Police Constable Answer Key 2017 announced on official website. Here we also provide a official Answer Key when Board announced on official website kprb.kolkatapolice.gov.in. KPRB Exam KPRB published notification for Kolalata Police constable Examination. A huge number of candidates applied