South Sikkim's most trusted destination for job-oriented diplomas, software programming, accounting, and creative design since 2015 (Registered under Techkim IT Solutions Pvt. Ltd.).
Official Course & Fee Highlights
Learn programming step-by-step with hands-on lab coding inspired by W3Schools standards! Integrated into our 1-Year ADCA, 6-Month Diplomas, and 2-Month Student Crash Courses.
100% Practical Code Execution
Our updated ADCA & DCA programs don't just teach MS Office—you also write real programs in HTML/CSS, JavaScript, C, Python, Java, and SQL!
From GST return filing and payroll management in TallyPrime to commercial design in Photoshop, Illustrator & CorelDraw, and architectural drafting in AutoCAD 2D & 3D.
Documents Required
• 2 Passport Size Photographs
• Class X or XII Pass Certificate Xerox
• Start immediately with easy monthly installments!
Trinity Computer Institute (officially registered under Techkim IT Solutions Pvt. Ltd.), established in 2015, is a premier ISO-certified and government-registered computer training institute located at 3rd Floor, Hotel Teens Building, Central Park, Namchi, South Sikkim. Known across the region as Trinity Computer Institute, we have trained over 3,000+ students with practical, job-ready digital and programming skills.
Our mission is to empower students of South Sikkim with modern computer education—ranging from foundational office automation and TallyPrime GST to modern software programming (Python, Java, C, C++, React, SQL)—with transparent fees and affordable monthly installments.
We follow a hands-on 1:1 Dedicated Computer Lab model inspired by interactive platforms like W3Schools. Every student writes real code, builds live spreadsheets, files simulated GST returns, and completes a practical project & viva before certification.
Combining 10+ years of local trust in Namchi with an updated 2025–26 programming, accounting, and design curriculum.
Trinity Computer Institute (Regd. Techkim IT Solutions Pvt. Ltd.) provides nationally recognized certificates valid for Sikkim government exams and private jobs.
Unlike outdated syllabuses, we teach HTML5, CSS3, JavaScript, Python, Core Java, C, C++, SQL, and React alongside complete MS Office and TallyPrime.
Start your 1-Year ADCA or 6-Month DCA with just ₹2,500 joining fee and pay the remaining balance in easy monthly installments starting at ₹750/month.
Every student gets an individual workstation for daily coding, speed typing, accounting vouchers, graphic design, and final project viva.
Whether you need a 1-year government job diploma or a 2-month vacation crash course in Python, Java, or Advanced Excel, we have a structured track for you.
Trusted by families and students across Namchi and South Sikkim since 2015 for friendly mentorship and career guidance.
Neatly organized by duration—from our top flagship 1-Year Master Diploma (PGDCA — PostGraduate Diploma) and ADCA (Advance Diploma) to 6-Month Diplomas, 3-Month Certificates, and 2-Month Student Demand Crash Courses. Click "Syllabus & Fees" on any card for full details.
⭐ Our Top Flagship Course • 1-Year Master Diploma
1 Year (12 Months)
Our top flagship master diploma covering ALL topics of ADCA plus Advanced Programming (Python, Java, C++), Database Systems (RDBMS & SQL), TallyPrime GST, and Modern Web Development.
Flagship 1-Year Diploma • Govt. Job Valid
1 Year (12 Months)
Complete 1-year career & programming diploma covering MS Office, TallyPrime GST, Web Design (HTML/CSS/JS), Python, Java, C, VB.NET & Photoshop.
Essential 6-Month Govt. Exam Diploma
6 Months
Government-recognized 6-month diploma covering Office Automation, MS Access, HTML/CSS, C Programming, Visual Basic, and Financial Accounting Tally.
Trending Tech • W3Schools Web Track
6 Months
Build modern, responsive websites and interactive web apps from scratch using HTML5, Modern CSS3, JavaScript ES6+, React.js, and SQL databases.
Core Coding Track • BCA / B.Tech / Career
6 Months
Master the 5 most in-demand programming languages—C, C++, Core Java, Python, and SQL—with hands-on coding labs and real-world algorithms.
Best for Beginners & School Graduates
3 Months
Our official 3-month foundational certificate covering Computer Fundamentals, Speed Typing, MS Word, Excel, PowerPoint, Access & Lab Viva.
100% Practical Taxation & Accounting
3 Months
Master corporate accounting, inventory management, e-Invoicing, e-Way bills, GSTR-1/2B/3B return filing, TDS, and employee payroll.
Creative Studio & Print Media Track
3 Months
Design commercial logos, social media campaigns, flex banners, brochures, wedding cards, and print-ready artwork in our creative studio.
For Civil / Mech / Electrical & Architects
3 Months
Precision 2D architectural floor plans, structural elevations, isometric drafting, and 3D solid modeling for engineering students and professionals.
Fast-Track • Pick Any 1 Skill Module
2 Months
Intensive 2-month vacation or semester booster tracks! Choose Python + SQL, Java/C/C++ Coding, or Advanced Excel with AI Office Tools.
Documents Required at Admission: (i) 2 Passport Size Photographs | (ii) Class X or 12 Pass Certificate Xerox
| Course Name & Core Technologies | Duration | Total Fee | Joining Fee | Monthly Installment Process | Action |
|---|---|---|---|---|---|
| PGDCA — Post Graduate Diploma in Computer Application All ADCA Modules Included • Python, Java & C++ • RDBMS & MySQL • TallyPrime + GST • HTML5/CSS3/JS • Major Capstone Project | 1 Year (12 Months) | ₹12,000 | ₹3,000 | Joining ₹3,000 + ₹900/mo × 10 months = ₹9,000 (OR ₹1,800/mo × 5 months) | |
| ADCA — Advance Diploma in Computer Application MS Office + Access • HTML/CSS/JS • Java & Python • C & VB.NET • TallyPrime + GST • Photoshop | 1 Year (12 Months) | ₹10,000 | ₹2,500 | ₹750/mo × 10 months OR ₹1,500/mo × 5 months | |
| DCA — Diploma in Computer Application MS Word/Excel/PPT • MS Access • HTML & CSS • C Programming • Visual Basic • Tally Accounting | 6 Months | ₹7,000 | ₹2,500 | Joining ₹2,500 + ₹900/mo × 5 months = ₹4,500 | |
| Diploma in Full-Stack Web Development (React, JS & SQL) HTML5 & CSS3 • JavaScript ES6+ • React.js • SQL & MySQL • Responsive UI • Live Web Portfolio | 6 Months | ₹8,500 | ₹2,500 | Joining ₹2,500 + ₹1,200/mo × 5 months = ₹6,000 | |
| Diploma in Software Programming (C, C++, Java, Python & SQL) C & C++ OOPs • Core Java • Python 3 • SQL Database • Data Structures • Coding Projects | 6 Months | ₹8,000 | ₹2,000 | Joining ₹2,000 + ₹1,200/mo × 5 months = ₹6,000 | |
| Certificate in Basic Computer (CBC) Computer Fundamentals • Speed Typing • MS Word & Excel • MS PowerPoint • MS Access • Lab Viva | 3 Months | ₹4,000 | ₹2,000 | Joining ₹2,000 + ₹1,000/mo × 2 months = ₹2,000 | |
| Certificate in TallyPrime with Complete GST & Payroll TallyPrime Latest • GST Filing (1, 2B, 3B) • Inventory & Billing • Payroll & TDS • Balance Sheet | 3 Months | ₹4,500 | ₹1,500 | Joining ₹1,500 + ₹1,000/mo × 3 months = ₹3,000 | |
| Professional Graphic Design & DTP (Photoshop, Illustrator, CorelDraw) Adobe Photoshop • Adobe Illustrator • CorelDraw • Flex & Print Media • Brand Logos | 3 Months | ₹5,500 | ₹2,000 | Joining ₹2,000 + ₹1,750/mo × 2 months = ₹3,500 | |
| Certificate in AutoCAD 2D & 3D Engineering Drawing AutoCAD 2D Drafting • 3D Solid Modeling • Building Floor Plans • Isometric Views • Blueprint Plotting | 3 Months | ₹6,000 | ₹2,000 | Joining ₹2,000 + ₹2,000/mo × 2 months = ₹4,000 | |
| Short-Term Coding & Skill Crash Courses (Student Demand) Track A: Python & SQL • Track B: C / C++ / Java • Track C: Adv. Excel & AI • Track D: Speed Typing | 2 Months | ₹3,500 | ₹1,500 | Joining ₹1,500 + ₹1,000/mo × 2 months = ₹2,000 |
Click what you want to achieve and get an instant course & installment recommendation from Trinity Computer Institute:
Explore our learning environment and modern workstations at Hotel Teens Building, Central Park, Namchi. Click any photo to enlarge.
Students at work with personal laptops & workstations at Central Park, Namchi
Individual systems with high-speed internet & personal teacher mentoring
Multi-monitor setup for Graphic Design, React UI & AutoCAD 2D/3D
Photoshop, Illustrator & CorelDraw practical workstation
High-speed accounting, database & office automation setup
Rated 5.0 / 5.0 Stars by 163+ students and alumni on Google for Trinity Computer Institute, Hotel Teens Building, Namchi Central Park.
"The training at Trinity Computer Institute was incredibly thorough and practical. From MS Office and Web Design to Photoshop and Python basics, the faculty explained every topic clearly!"
"I received valuable knowledge and hands-on lab experience during my time at Trinity Computer Institute. The monthly installment facility and friendly instructors make it the best institute in Namchi."
Employers and students can verify diplomas issued by Trinity Computer Institute (Regd: Techkim IT Solutions Pvt. Ltd.). Click a sample roll number to test:
Are you looking to start a profitable computer education business in Sikkim or North-East? Partner with our ISO 9001:2015 certified brand. We provide turnkey syllabus (PGDCA, ADCA, Coding), marketing kit, online verification system, and teacher training.
Visit us at Central Park, Hotel Teens Building (3rd Floor), Namchi, call us directly, or send your inquiry on WhatsApp for instant seat booking.
ISO Certified • Regd: Techkim IT Solutions Pvt. Ltd.
Walk into our campus on the 3rd Floor of Hotel Teens Building for free career counseling and a live tour of our computer lab.
3rd Floor, Hotel Teens Building, Namchi Central Park, South Sikkim — Pincode: 737126
Select any of our courses below to reserve your seat or inquire about batch timings and installments.