Emerson Graduate Engineer interview questions

1.Aptitude written test 2.Technical written test 3.Group Discussion 4.Technical panel interview 5. HR Interview 6. Center head interview. Gave this many rounds, got shortlisted for the final round, but didn't get any response. If candidate is not shortlisted at least should inform by sending the regret letter. Didn't expected such a <b>worst interview process </b> management from company like emerson.