They are responsible for developing new technologies and military hardware for the Indian defence and security forces.

DRDS was formed in 1979, and a separate Department of Defence Research and Development was created in 1980, which later on administered DRDO and its 52 laboratories/establishments.

And a younger and experienced DRDS scientist was made the Scientific Adviser to the Raksha Mantri (SA to RM).

[7] DRDS scientists are engaged in developing defence technologies covering various fields like aeronautics, armaments, electronics, land combat engineering, life sciences, materials, missiles, and naval systems.

[8] DRDS scientists can apply for service extension beyond the age of superannuation to ensure continuity of highly critical defence projects.