Hi friends,
     Myself Mahendra a few days later i had this problem with my windows.It was not booting it was showing some windows error i didn't no what to do at that time.after a long search and result i found this start repair method which was not effective and also found some more method which to didn't work out after a long head banging it all the errors were fixed and my windows was runinig properly.i might some more useful method to it which could be more to such problems.
    if anyone has some good suggestion i would like to hear from you.