Hello aspirant,

I hope that you are doing absolutely great.

With reference to your above mentioned query, I would like to tell you that YES you can apply for RRB JE Exam if you have a three year Diploma in Engineering.

Further, the eligibility criteria for RRB JE Exam is given below :

1. The minimum age required to apply for RRB JE Recruitment is 18 years.
2. Only those candidates who have a background in engineering can apply for the exam.
3. A candidate must pass a Medical Test conducted by the Railway Recruitment Board.

I hope that this will help.