I have passed class 12th from Science from CBSE Board and now I want to get job in Indian Railways after passing 12th from CBSE boards so can you please give me the details of that?

As you want to get the details of job in Indian Railways after passing 12th from CBSE boards from Science so here is the information of the same for you:

After completing intermediate there are lots of job is available in the
Railway sector.

After 12th the SCRA is the best job of Railway board.
You can also apply for the clerk post after completing 12th std.

If you do graduation course then after completing graduation course
you have many option.

After graduation you can apply for the UPSC
examination, Railway, Banking and many other....

So I will advise you to do graduation course and then apply for the job.

After completing graduation you will be eligible for the many examination.