Defence Research and Development Organisation (DRDO) Recruitment 2019. Aeronautical Development Establishment (ADE), Bengaluru invites online applications from eligible candidates for Graduate (B.E./B. Tech/Equivalent) / Technician (Diploma)/Trade (ITI) apprenticeship training. Stipend : Candidates finally selected for the apprenticeship training would be eligible for stipend as given below as per Govt of India rules: Graduate Apprentices (B.E./B.Tech./Eqvt)