Dear Student ,

If you want to join DRDO after M.sc Physics , you need to hold minimum 60% in your science degree  or B.Tech level as an basic eligibility criteria. Then , you need to appear for SET(Scientist Entry Test) exam that is conducted by DRDO itself to get job profile of Scientists -'B' grade.

Well, you can appear for GATE also, GATE achievers are also called for interview from DRDO for this post .

Note: You must not exceed 28 years of your age for appearing in SET exam.

Hope this information helps !

Best wishes !!