What kind of projects and how many are good to have for an applicant for an internship/fresher job interview?

Hi Hitesh - thank you so much for your question and your interest in EY. We are not looking for specific project experience as a requirement for our programmes. You can find more about what we are looking for here: https://www.ey.com/en_uk/careers/students/application-tips. You can also see some tips for success throughout the application process (including at the interview stage, where applicable) here: https://www.ey.com/en_uk/careers/students/application-process. I would recommend that you have a read through these pages to ensure that you know what we are looking for and that you are well prepared for each stage of your application. Best of luck!