The three major key factor of project success are delivered
on time, on or under budget, the system works as needed.
Few projects achieve all three. Many more are delivered
which fail on one or more of these criteria, and a substantial
number are cancelled having failed badly. They are
number of software projects that succeeded or failed. So
are the key factors for success of a project is based on only
these three criteria? They is no one factor that cause the
failure of project, a number of factors are involved. Some
of the most vital reasons for failure are as follows: