Railways

You need to have a graduation degree to be eligible for the job. Also, he/she should have basic knowledge of Computer. Also, you must be able to speak read and write the local language for the location you are applying.
The selection is done through examination conducted by Railway recruitment board

Defense Services and Railways require an equal number of Mechanical and ECE engineers. You may choose any branch as per your interest to excel in professional life.

You have to continue your intermediate studies and stay updated with the official website of Indian Railway for jobs on vacant seat for class 10th level candidate.

You should continue your studies in class 12th standard and stay updated with the official website of Railway for job after class 10th qualified students.

Yes,
There are a few entrance exams in railway which needs to be cleared that will get you to work in railways.

Selection Procedure:
To be selected in the post of loco pilot in rrb exam, candidates will have to give written exam followed by the aptitude test and qualify both these section with the scores more than the cut-off marks:
To know more: https://www.eduncle.com/rrb-assistant-loco-pilot-recruitment-exam