DRDO Naval Recruitment 2020 DRDO Naval Materials Research Laboratory Recruitment 2020 DRDO NMRL Bharti 2020 : Naval Material Research Laboratory (NMRL) under the Defence Research & Development Organisation has issued the recruitment notification and invites application for 30 Apprentices Posts. Eligible and interested candidates may send their application in PDF format through Email on or before 07th Dec 2020 for DRDO NMRL Bharti 2020.