DRDO-RAC Scientist B Recruitment 2023 181 Posts. DRDO – Recruitment and Assessment Centre (DRDO-RAC) has announced a notification for the recruitment of Scientist-B in DRDO vacancies. For regular Jobs, and updates keep visiting Jkalerts.com Or Download Our Mobile App for regular updates. Name of the post: Scientist -B 181 Post Application Fee For General/ EWS/ OBC