The age limit for the ECIL recruitment varies by position, with a maximum age of 27 years for Graduate Engineer Trainee roles. For other positions, the upper age limit can range from 30 to 33 years, depending on the specific job. Age relaxation is available for candidates from reserved categories, such as 5 years for SC/ST and 3 years for OBC applicants. Additionally, Persons with Disabilities (PwD) may receive up to 10 years of relaxation, while candidates from Jammu & Kashmir may be eligible for a 5-year extension based on their residency.