C-DOT normally recruits people at entry level both for R&D as well as Support functions. Depending on their background, aptitude, interest and organisational requirements the new recruits are placed in various functions. The recruitment of Research Engineers (Computer Science/ Electronics & Communication) is done through :
Campus Interviews
Direct offers to rank holders
Open advertisements/All India Tests
C-DOT is governed by the Govt. of India reservation policy directives.
Source:http://www.cdot.in/cdotweb/web/careers.php?lang=en#recruitment_procedure