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 2(2)] [Section 2] [Entire Act] Union of India - Subsection Section 2(2)(yy) in Indian Telegraph Rules, 1951 (yy)"Subscriber Trunk Dialling facility (STD)" means the facility whereby subscribers can obtain trunk calls without the assistance of operators, by the use of the dial provided;