Legal glossary
“technical personnel”
Defined in 1 Acts. A definition holds for the Act that gives it; the same word can mean something else in another Act.
The Defence of India Act, 1962 · s. 19 · Repealed or not in force
(g) "technical personnel" means all persons who possess knowledge of or skill in one or more of the notified occupations, whether or not they are employed in any establishment, and includes such persons or class of persons undergoing training in any of those occupations in any establishment as may be declared by the Central Government by notification in the Official Gazette to be technical personnel for the purposes of this Chapter.
Read section 19