This document provides a comprehensive analysis of two business law cases, ASIC v Narain (2008) FCAFC 120 and Australian Securities and Investment Commission v Sino Australia Oil and Gas Limited (in liq) [2016] FCA 934. It discusses the background of the cases, breaches of director's duties under the Corporations Act 2001, analysis of the court decisions, and the impact of these decisions. The document highlights the importance of directors' due diligence and care in discharging their duties.