Since the emergence of corporate form of business organisation, accountability through periodic disclosures has been the foundation of good corporate governance. This book aims at analysing the levels of corporate disclosures by the public sector entities in India. Levels of disclosures by the companies have been explored for the non-statutory informational items, termed extended corporate reporting (ECR). It explains theoretical concepts of corporate reporting by referencing them to the general framework of an informational system. Corporate reporting behaviour in terms of additional disclosures has been analysed for three sets of informational items. These are, complete set of (actual) additional disclosures, termed 'extended corporate reporting' (ECR), and two sub-sets of ECR - termed 'extended financial reporting' (EFR), and 'extended social reporting' (ESR).