1. Laboratories of the Defence Research
Dev. Organisation located at Dehradun, (IRDE, DEAL), Delhi (DSL SSPL),
Bangalore(ADE,NAL,LRDE,GTRE), Pune (ERDL) etc. 2. Training Schools of Army, Air Force & Navy. 3. Tank Factories at Avadi and Optoelectronics factory at
Dehradun. 4. Army, Air Force Base Repair Depots at various places.