What is difference between Organic and Inorganic growth of Organization?

Organic growth is that achieved in the ordinary course of business.

Inorganic growth is the result of one-off events, such as a building a new [additional] factory with the proceeds of a share issue or a takeover.

Organic growth is the process of business expansion by increased output, customer base expansion, or new product development.

Inorganic growth is the rate of growth of business, sales expansion etc. by increasing output and business reach by acquiring new businesses by way of mergers, acquisitions and take-overs.