Rajya Sainik Board 
Those released on or before 30-6-1968 Any person who had served in any rank (whether as Combatant or not) in the Armed Forces of the Union and has been released therefrom otherwise than by way of dismissal or discharge on account of misconduct or inefficiency.
Those released between 01-7-1968 and 30-6-1979 (both days inclusive) Any person who had served in any rank (whether as Combatant or not) in the Armed Forces of the Union for a continuous period of not less than six months after attestation and released therefrom otherwise than by way of dismissal or discharge on account of misconduct or inefficiency.
Those released between 01-7-1979 and 30-6-1987 (both days inclusive) Any person who had served in any rank (whether as Combatant or not) in the Armed Forces of the Union for a continuous period of not less than six months after attestation if discharged for reasons other than at their own request or by way of dismissal or discharge on account of misconduct or inefficiency and not less than five years of service if discharged at own request.
Those released on or after 01-7-1987 Any person who had served in any rank (whether as Combatant or not) in the Armed Forces of the Union and was released / retired with any kind of pension from Defence Budget or released on completion of specific terms of engagement with gratuity otherwise than at his own request or by way of dismissal or discharge on account of misconduct or inefficiency.
Personnel of Territorial Army (TA) Who are pension holders for continuous embodied service, persons with disability attributable to military service and gallantry award winners retired on or after 15-11-1986.
Personnel of Army Postal Service (APS) Who are part of the regular Army and retired from such service (i.e., directly from the APS itself without reversion to P&T Deptt.,) with pension or who have been released from such service on medical grounds,attributable to military service or circumstances beyond their control and awarded medical or other disability pension are covered under the definition of ex-Servicemen with effect from 19-7-1989.
Recruits Who are boarded out / released on medical grounds and granted medical/disability pension.
Note:- The Eligibility of the Person to the status of ex-Serviceman will be goverrned by the definition in vogue at the time of his discharge and will not be affected by thechanges in the definition subsequent to his discharge.