Unlock Advanced Research with PRISMAI Integrated with over 4 crore judgments and laws — designed for legal practitioners, researchers, students and institutions - Know your Kanoon - Doc Gen Hub - Counter Argument - Case Predict AI - Talk with IK Doc - ... Upgrade to Premium Document Options Get in PDF Print it! [Cites 0, Cited by 0] [Section 490] [Entire Act] Bengal Presidency - Subsection Section 490(d) in Police Regulations, Bengal , 1943 (d)"Expert" means an officer who has been passed as competent to examine, classify and give an expert opinion on finger impressions. (See regulation 656.)