According to the RRB eligibility criteria for the Junior Engineer publish, the following will be the academic skills a possible applicant need to possess. There aren't any constraints on the number of attempts. Candidates can try the assessment as persistently as they want, provided they meet the other eligibility criteria. https://railway-group-d-vacancy35556.targetblogs.com/32627501/railway-recruitment-2024-apply-for-railway-group-d-vacancy