Engineering Entrance Exam

https://www.google.com/amp/s/www.shiksha.com/b-tech/articles/amp/jee-main-and-advanced-2016-prep-important-books-topics-blogId-11621
This link will help you to the best.

It is useful for getting admission into M.Tech for various colleges, and also useful to government jobs.

I think not possible with 54000 rank to get admission.

You'll not get a good deal, if you are not a reservation category student. If you are not, try private university and autonomous institutions through any quota. If you are in reservation, you are likely to get chemical in one of the top 10 NIT's. College Predictor:
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor?utm_source=connect&utm_medium=CR_JEECP&utm_campaign=7489993.

Getting NIT is different, but getting a good NIT with decent branch is different. I would recommend not to go in NIT below top 13 ranking. Moreover, with you, are left with getting into private colleges or universities or try any autonomous institute. Try our college predictor:
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor?utm_source=connect&utm_medium=CR_JEECP&utm_campaign=7489993.

NIT Jamshedpur is a good option with EEE. It has good package around INR 10 lakh per annum and is doing well. Moreover, you have better options with CSE in MANIT Bhopal or in MVNIT, Jaipur.
You can compare colleges using the rank predictor:
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor?utm_source=cconnect&utm_medium=CR_JEECP&utm_campaign=6804123

Hello Etika,Please use Shiksha college predictor.
https://www.shiksha.com/b-tech/resources/wbjee-college-predictoretika.

If you realize where actually you made mistakes and your peer mates won then you can prepare it at your home. Moreover, if you haven't studied seriously, it is necessary for you to take a good coaching institute with your determination which can actually drive your nerves to your goal. Moreover, in case first also, coaching is preferred as your home is unable to give you that atmosphere. Best of your luck.