JKSSB Seeking of preference to Persons with Disability. Seeking of preference from candidates belonging to Persons with Disability (PwD) category for Class-IV posts advertised vide Advertisement Notification No. 01 of 2020 Dated 26.06.2020- regarding. Whereas, the Jammu and Kashmir Services Selection Board (JKSSB) advertised 8575 District/ Divisional/UT cadre posts of Class-IV vide Advertisement Notification No.