IREC Rule No.105: Non-pensionable Service
105. Non-pensionable Service:– Subject to what has been stated in rule 104 the service of the railway servants who entered service before 16th November, 1957, and who after introduction of pension scheme on Railways did not opt for it, when options were open from time to time, shall be non-pensionable. They continue to be eligible for the benefits of State Railway Provident Fund and for gratuity in accordance with the rules prescribed in that behalf.