Test plan : After completion of SRS learning and business 
requirement gathering test management concentrate on test 
planning,this is done by Test lead, or Project lead.

Test Strategy : Depends on corresponding testing policy 
quality analyst finalizes test Responsibility Matrix.
this is done by QA.

but both r Documents.

TEST PLAN : 
We describe what to Test ? 
1.Scope.
2.Approach.
3.What are the modules to test.

TEST STATERGY : 
We describe How to Test ? 
We define the methodology ?

*test strategy is part of test plan.

  *test plan describes how to test the application.
  *test strategy describes what the technoques we are going 
to follow.

Test Plan: Test Plan describes What to Test, How to Test and
When to Test. It is a document which describes the scope of
a software testing project.
Test Strategy: It is a document which describes the overall
testing approach.

Test Plan: Test Plan is a document it describes overall 
testing activity for that Project. And also it describes 
objective, Scope and environments of the Project.

Test Stratagy is a document, which contains list of 
technics are applied into the application build. the 
techniques are autharasation, access control, audit trail, 
continuty, correctness, easy to use, easy to operate, 
performence, recovery , file integrety ,maintanence and 
methdology.

Test plan is a document, which is prepared by TL. Tl is 
oing to concentrste mainly what to test, who to test, when 
to test and how to test.

Hi,
      Test strategy comes first. This is the high level 
document that describes the approach of the test.In this 
they defines time, number of releases etc.
         Test plan is a document that defines the object, 
scope and focus of the test. This defines scheduling the 
testing activity, who is assigned for each functionlity.

Test Strategy - Here we are going to mention what are 
things we are going to test with the details on 
methodlogoies in brief.

Test Plan - Here we are going to talk about the type of 
testing we do,resource planning,Risk and Mitigation 
plan ,Test environment,etc..... in details for a particular 
prject

Test Strategy is a Organisational Document which will 
Prepare By Project manager.it will indiactes the Approach 
of the project i.e the overall direction software testing 
of the needs of the project
Test Paln is a document which will prepare by Test Lead.it 
Explains what to test? how to test? and when to Test?

>>Test strategy is organization term which is applicable 
for testing all projects in that  organization

it consits 
testing types
levels of testing
test technics
configuration management
test matrix
termenology
automation
automationtools


>>Test plan is project level term that is apllicable to 
apply for testing a particular project

Test plan- Its is a document describe the test
objective,scope,test strategy,test environment,test
data,entry criteria,exit criteria.

Test Strategy- Its a plan for how you are going to approach
Testing