See to have a good placement and good package you need to keep in mind that you must have a very good coding skills. You must be very proficient about the coding languages such as Python, C++ and C, JAVA, SQL. This are the languages which are the most preferred among the top IT companies. SO you should build a strong grasp about this subjects. Apart from this you must build your soft skills such as Mannerism, Speaking skills etc. For that you can use online resources to learn soft skills and speaking skills. There are numerous one. Also try to have good score in your semesters to be ahead in the competition. If you can do this then no one can stop you from getting the top packages.

For more tips regarding placement Interviews visit the link below:

https://engineering.careers360.com/articles/10-tips-for-placement-interviews

I hope this answer helps. All the very best for your future endeavors!