Computer & Office Skills

Diploma in Computer Application (DCA)

The Diploma in Computer Application is a well-rounded six-month grounding in practical computing. You'll master the office suite, internet and productivity tools, and get a first taste of programming and databases. It's a strong, employable foundation for office and IT-support roles, taught one-on-one so nothing gets skipped.

Duration6 Months
FormatLive 1-on-1
LevelProfessional
CertificateOsian NSDC
Overview

What this course is about

Solid computer and office skills are the baseline for almost every desk job in India, and formal certification makes a real difference on a CV. This 6-month Diploma in Computer Application programme takes you from the basics to being genuinely useful.

By working through real exercises you’ll handle real workplace tasks, build spreadsheets, documents and presentations, and build the judgement that only comes from practice.

Because it’s taught live and personally, questions get answered the moment they come up.

By the end

What you’ll be able to do

  • Work fluently across office software
  • Build spreadsheets, documents and presentations
  • Handle real workplace tasks
  • Earn a recognised certification
Syllabus

How the course flows

  1. 1

    Computer Fundamentals

    Weeks 1–4

    How computers and the OS work day to day.

  2. 2

    Documents & Presentations

    Weeks 5–8

    Professional Word and PowerPoint work.

  3. 3

    Spreadsheets

    Weeks 9–12

    Formulas, functions and clean data in Excel.

  4. 4

    Internet & Productivity

    Weeks 13–16

    Email, cloud tools and staying organised.

  5. 5

    Practice & Certification

    Weeks 17–24

    Real tasks and exam-style preparation.

Toolkit

Tools you’ll use

MS WordMS ExcelMS PowerPointWindowsGoogle Workspace
Fit

Who it’s for

  • Working professionals switching into or upskilling within computer & office skills
  • Freelancers who want to offer Diploma in Computer Application as a paid service
  • Beginners who want a structured, guided way into computer & office skills
  • Anyone who prefers learning live and one-on-one over watching videos alone
Where it leads

Roles this opens up

Office / Data Executive

₹2–6 LPA

Handle documentation and office operations.

Computer Operator

₹2–5 LPA

Manage data entry and office software tasks.

Back-Office Assistant

₹2–6 LPA

Support day-to-day business admin.

Questions

Before you enroll

Every session is live and one-on-one with your instructor. Nothing here is a pre-recorded playlist you watch alone.

No prior experience — starts from switching the computer on. The first sessions make sure everyone is on solid ground before moving faster.

You’ll finish with practical work — work fluently across office software — plus an Osian Academy certificate you can share with employers.

Yes — resume help, mock interviews and referrals through our hiring-partner network are included with the course.