Not only people with CS background but yeah they do need cs people. I think you can check out employment times for their ads about recruitment or check their site for more details or check the forums for placement papers etc. That will give you a better idea about DRDO i think.
Sorry mate. I could not reply earlier. As i mentioned in my post, I did a summer intern there. The seek a cs background with strong algo and good problem solving skills. As far as a job is concerned, I dont know much details. During campus placements they offered starting salary of 6.5 lpa.
Well yeah............Even I'm spending most of my time here just learning.
BTW,namma appa 32 varshagalinda kannada paata maadtaaiddare.....so,I'm awesome at speaking Kannada but viewing the above line,you might have reservations about my writing skills.......