The document discusses various aspects of share capital of a company including: 1. Share capital refers to the total amount of money raised by a company through the issue of shares to private and public sources. It is divided into units called shares that are held by shareholders. 2. There are various types of share capital such as authorized/nominal capital, issued capital, called up capital, paid up capital, and types of shares like equity, preference, redeemable, non-redeemable etc. 3. The capital structure and types of shares can be altered through procedures like increase in authorized capital, consolidation/sub-division of shares, conversion of shares into stock etc. as permitted by law.