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If you are asking about DRDO's posts as Multi Tasking Staff MS than you are eligible. The eligibility criteria are given below.
1. Educational qualifications : 10th Class pass or equivalent from a recognised Board or Industrial Training Institute (ITI) pass. Candidates must have acquired the EQR as on crucial date of eligibility for the posts they are applying. Those awaiting results of the final examination as on crucial date of eligibility for the prescribed qualification are not eligible and hence should not apply.
2. Age : Candidate must be between 18 and 25 Years of age (Relaxable for SC/ST/OBCNCL/ESM/PWD/WIDOWS/ Divorced Women/ Women judicially separated from their husbands who are not remarried, Central government Civilian Employees, Disabled Defence Services Personnel, Persons Domiciled In Jammu & Kashmir State during the period from 01-01-1980 to 31-12-1989 as per extant government. Of India rules).
3. Crucial date of eligibility : 23rd JANUARY 2020.