a)	Retesting is nothing but same application with 
execution the multiple test data.
b)	It is so many phase doing in test life cycle
c)	Regression testing is nothing but re execution of 
the modified build is called the regression testing
d)	That when all bug are solved then time do this test
e)	Then that time developer or client had some changes 
that changes based test is called the regression test


My name is k.chandra sekhar,
My phone no are 9246540049 65880049 ,Hyderabad.
My mail id is ndra_143@yahoo.co.in 
I am take the class for projects if you interst contact
If any body want full explain send the mail