Candidates must be between 18 and 27 years as on 01.12.2007 (Last date of receipt of application). The upper age limit is relaxable by 5 years for SC/ST and 3 years for OBC candidates. The age relaxation for BSNL employees is upto 40 years for OC & 45 years for SC/ST and upto 43 years for OBC candidates as per Rules. Ex-servicemen are eligible for relaxation in age limit as per Rules. SC/ST/OBC Candidates should produce the community certificate in the prescribed proforma for each category for availing age relaxation.
http://media.employmentnews.gov.in/application_forms/1573.doc