It is determined by the candidate's profile, achievements, type of work experience, GPA (DML list), networking, communication skills, the nature and demand of the recruiting company, the job market, availability, and so on.
Prospects for 7 years of work-ex are now available. With that, you should be prepared to explain its alignment with your career goals during the shortlisting process. Some startups do offer opportunities to talented students with extensive work experience. Getting on the DML list increases your chances of success everywhere. You should have place com people on your side. If you believe that these things are difficult for you, try taking sabbaticals/study leaves (if you work in a PSU) and evaluating later. You will almost certainly be assigned here. The placement's quality cannot be guaranteed.