How will you prepare Test plan. What are the techniques involved in preparing the Test plan?

Test plan means planning for the release. This includes Project background
Test Objectives: Brief overview and description of the document
Test Scope: setting the boundaries
Features being tested (Functionalities)
Hardware requirements
Software requirements
Entrance Criteria (When to start testing):
Test environment established, Builder received from developer, Test case prepared and reviewed.
Exit criteria (when to stop testing):
All bug status cycle are closed, all functionalities are tested, and all high and medium bugs are resolved.
Project milestones: dead lines