As you want to get the list of some of the best computer courses of 1 year duration so here it is for you:

Post Graduate Diploma in Computer Applications

Post Graduate Diploma in Information Technology

Advanced Diploma in Computer Applications

Advanced Diploma in Information Technology

Computer Teacher’s TrainingCourse(CTTC)

Advanced Diploma in Telecom Technology(ADTT)

Diploma in Computer Hardware Maintenance (DCHM)

Advanced Diploma in Hardware & Networking

Diploma in Networking Technology(DNT)

Diploma in Computer Applications(DCA)

Diploma in Software Technology(DCST)

Diploma in Financial Accounting(DFA)

Advanced Diploma in Professional Accounting(ADPA)

Diploma in Desktop Publishing(DDTP)

Diploma in Secretarial Practice(DCSP)

Diploma in Office Automation (DOA)

Advanced Diploma in Graphic Design(ADGD)

Advanced Diploma in Multimedia & Animation(ADM)
Diploma in Multimedia & Animation

Diploma in Call Centre Management(DCCM)
Certificate in Computer Application(CCA)

Certificate Course in MS OFFICE(CCMS)

Computer Appreciation Course(CAC)

Desktop Publishing(DTP)

Certificate in Data Entry Operations(CDEO)

Java

J2EE

VB. NET

ASP.NET

Certificate Course in Software Testing(CCST)
Diploma in Software Testing(DST)

Diploma in Mobile Phone Technology(DMPT)

Advanced Diploma in Mobile Phone Technology(ADMPT)

Diploma in Chip Level Technology(DCLT)

Certificate Course in Audio Video Editing(CVE)
Diploma in Audio Video Editing & Composing(DAVEC)
Diploma in Computer Engineering Design(DCED)

Diploma in Computerized Interior Design(DCID)

Advanced Diploma in Computerized Interior Design(ADCID)
Diploma in Computerized Fashion Design(DCFD)

Advanced Diploma in Computerized Fashion Design(ADCFD)

TCIL-IT Certified Networking Expert

e-Advanced Diploma in Web & Information Technology

Advance Post Graduate Diploma in Computer Applications

Programming in .NET
Programming in Java
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Advance Diploma in Multimedia & Authoring Technology

Diploma in Web Page Designing & Web Development