What are the three major phases of a marketing plan?

Planning Phase.

Implementation Phase.

Evaluation or Control Phase.

Explanation:

The three main phases involved in the marketing plan are

Planning Phase - in this stage all focus is on planning and management of the marketing process

Implementation Phase - it involves the implementation of all the process on a systematic way that decided on the planning phase

Evaluation Phase - in this stage checking the process takes place. The main motive behind the implementation of this process is to ensure that the goal of the marketing policy is fulfilled or not.