What should be my JELET rank to get into IEM Kolkata?

Your JELET rank should be under 1000. You can easily achieve that as the exam is not very tough and most of the questions are from the basics of 11th and 12th. So all the questions should be easy. 

Also if you want to practice and study for the exams you can refer to Sourav sir’s classes where all the concepts are being taught in a beautiful way and solutions and study materials are also provided for better preparation for the exam. 

After getting admission in this college, you will get many facilities and benefits from the college which will make you fall in love with this college and studying here will be fun and enjoyable. As the faculty is experienced and knowledgeable, learning new things and understanding new concepts will get much easier.