Hello Dear,

If you are in the final year of your BE then you can not apply for any RRB examination.

According to the RRB Website:

Important information that candidates need to keep in mind are:

Candidates who are yet to get their degree are not eligible to apply

Candidates in their last semester cannot apply

For more information you can visit:

https://competition.careers360.com/articles/rrb-ntpc-eligibility-criteria

Good Luck