The George Telegraph Training Institute was established in 1920. It has more than 50 centres. They are located in Odisha, West Bengal, Assam and Agartala. Its main centre is situated in Kolkata. It has the following departments:- electronics & telecommunication, mobile repairing, computer hardware, electrical, automobile, air-conditioning & refrigeration, civil, commercial practice, communications and computer software.
The electronics & telecommunication offers courses in electrical & electronics appliances engineering, electronics & electrical equipment engineering, electronics & telecommunication engineering, IFB electronics appliances engineering, CCTV installation. The computer hardware department offers courses in computer hardware & advanced network engineering, computer hardware engineering with networking (LAN), advanced network engineering, chip level laptop repairing. The computer software department offers courses in computer application & programming, computer application, dot net technology, office & internet, desktop publishing, computer-aided drafting, computerised financial accounting, computer application & office management, basic computer and personality development, cybersecurity and information. The Civil Department offers courses in civil draughtsmanship, civil construction technology, interior design, decoration and site supervision. The automobile department offers courses in automobile engineering, automobile sales & marketing. The Communications Department offers courses in digital media and marketing, communicative English & personality development, spoken English and English Typing. The Commercial Practice Department offers a course in back-office management, front office management, stenography. It also provides courses in professional retail, paramedical science, beauty & wellness.