Directorate of Electronics & Computer Sciences came into existence at DRDO HQs on 1st Sep 2005 by merging the Directorate of Electronics (DL) & the Directorate of Computer Sciences (DCS) .

The main functions of DECS will be to manage & coordinate DRONA network operations at HQrs with other Main Router Centers, provide technical support and corporate level coordination to 12 DRDO laboratories, namely ANURAG, CAIR, DEAL, DESIDOC, DLRL, DTRL, IRDE, LASTEC, LRDE, MTRDC, SAG & SSPL, vetting of QRs in the area of work, coordinate technical evaluation of the systems purchased from OEMs/vendors falling in our work area.