total 5 rounds 1.jam 2.technical round(all about apptitude) 3.telephonic round 3.email writing(means how write a mail t othe customer) 4.hr round(they will ask all about your resume) all you need to do is be confident dont write useless stuff in your resumes keep it simple,highlite your acheivements ,if they ask you any question related to any thing if you dont know try to say something be confident.