Diploma In
Interior Designing

A comprehensive foundation course that trains you to design functional, aesthetically pleasing residential and commercial spaces — from concept to completion.

1 Yr Duration
250+ Alumni
99% Placement
🏠
Residential Design
🎨
Color & Materials
📐
Space Planning
💡
Lighting Design
About the Course

What is a Diploma in Interior Design?

This program prepares students to design functional and aesthetically pleasing residential, institutional, and commercial spaces. You will learn to consider shape, color, texture, and style when choosing and combining furnishings, lighting, and materials to create beautiful, livable environments.

Completing this program opens new career opportunities in top design firms, home décor brands, and architecture studios — while also helping you transform your own personal spaces with a trained eye.

✦ Residential Design ✦ Commercial Spaces ✦ AutoCAD & SketchUp ✦ Budget Planning ✦ Portfolio Building

Diploma in Interior Designing

Complete course details at a glance

Duration 1 Year (2 Semesters)
🎓
Eligibility 10+2 Pass (Any Stream)
📅
Batch Starts July 2026 — Limited Seats
🖥
Mode Classroom + Practical Sessions
🏆
Certification PIID Recognized Diploma
📍
Location Kolkata (Lake Road Campus)
✓ Placement Guaranteed for All Students
What You Will Learn

Course Curriculum

A structured two-semester program covering design theory, software skills, and real-world project execution.

Semester 1 · Foundation

Design Principles & History

  • Elements & Principles of Design
  • History of Interior Design Styles
  • Color Theory & Psychology
  • Furniture Styles and Ergonomics
  • Textiles, Fabrics & Upholstery
Semester 1 · Technical

Drawing & Space Planning

  • Freehand Sketching Techniques
  • Technical Drawing & Blueprint Reading
  • Space Planning & Zoning
  • Scale Drawing & Floor Plans
  • AutoCAD Fundamentals
Semester 1 · Materials

Materials & Finishes

  • Building Materials & Properties
  • Wall Finishes: Paint, Wallpaper, Cladding
  • Flooring Options & Applications
  • Lighting: Types, Placement & Lux Levels
  • Vendor & Sourcing Knowledge
Semester 2 · Residential

Residential Interior Design

  • Living Room & Bedroom Design
  • Kitchen & Modular Design
  • Bathroom & Utility Spaces
  • Vastu & Cultural Considerations
  • Client Brief & Mood Board Creation
Semester 2 · Commercial

Commercial & Retail Design

  • Office & Co-working Spaces
  • Retail Store Layouts & Visual Merchandising
  • Hospitality: Hotels & Restaurants
  • Healthcare & Educational Environments
  • Accessibility & Building Codes
Semester 2 · Digital & Career

3D Visualization & Portfolio

  • SketchUp 3D Modelling
  • V-Ray Rendering Basics
  • Presentation Skills & Client Pitching
  • Project Portfolio Development
  • Industry Site Visits & Internship
After You Graduate

Skills You Will Master

Every module is designed to give you job-ready competencies from your very first day in the industry.

🎨

Design Thinking & Concept Development

Translate a client's vision into a coherent design narrative with mood boards, palettes, and concept statements.

📐

Technical Drawing & AutoCAD

Produce accurate floor plans, sections, and working drawings using industry-standard software.

🏢

Space Planning for Residential & Commercial

Optimise layouts for flow, function, and aesthetics across homes, offices, retail stores, and hospitality spaces.

💰

Budget Management & Vendor Sourcing

Plan material specifications within client budgets and build relationships with furniture and finish suppliers.

🗂

Professional Portfolio Presentation

Curate a polished digital and physical portfolio that showcases your best work to prospective employers.

Industry Tools

Software & Tools You Learn

Our curriculum keeps pace with the industry. Every student graduates fluent in the tools used by professional design firms across India.

🖥AutoCAD
📦SketchUp
V-Ray
📋3Ds Max
Lumion
📦Enscape
🎨Photoshop
📊MS Office
Career Paths

Where You Can Work

Our diploma unlocks a wide range of career options across India's growing design economy.

🏠Interior Design Firms
🏗Architecture Studios
🛋Furniture Brands
🏨Hospitality Projects
🛒Retail Design
💼Freelance Consultant
250+
Diploma Graduates
25+
Hiring Partners
95%
Placement Rate
10+
Years of Excellence
Student Stories

Words From Our Diploma Alumni

Hear from students who turned their passion for design into a rewarding career through PIID's Diploma program.

★★★★★

The Diploma course at PIID completely transformed how I see spaces. The faculty are incredibly hands-on and the curriculum is structured to take you from absolute beginner to job-ready designer in just one year.

S
Shreya Ghosh
2024 Diploma Graduate
★★★★★

I had zero background in design before joining PIID. The Diploma program gave me the foundation, the software skills, and the portfolio I needed to land a role at a top design studio within two months of graduating.

K
Kaushik Sen
2023 Diploma Graduate
★★★★★

The site visits and practical sessions made all the difference. Learning AutoCAD and SketchUp alongside real project briefs meant I walked into my first job already knowing exactly what to do.

M
Madhuri Roy
2024 Diploma Graduate
Common Questions

Frequently Asked Questions

Who is eligible to apply for the Diploma in Interior Designing?
+

Any student who has passed 10+2 from a recognised board is eligible — regardless of stream (Arts, Science, or Commerce). A passion for design and creativity is all you need. No prior design experience is required.

How long is the Diploma program?
+

The Diploma in Interior Designing is a 1-year program divided into two semesters of 6 months each. Classes are conducted on weekdays with dedicated practical and studio sessions throughout the year.

Does PIID provide placement support after the diploma?
+

Yes. PIID has a dedicated placement cell that provides resume building, mock interview preparation, and direct referrals to our 12+ hiring partner companies across Kolkata and other cities. We offer guaranteed placement support to all diploma graduates.

What software will I learn during the course?
+

Students learn AutoCAD for technical drawing, SketchUp for 3D modelling, V-Ray for rendering, Adobe Photoshop for presentation graphics, and CorelDRAW for layout work. All software training is conducted in our computer labs.

Can I pursue further education after this diploma?
+

Absolutely. The Diploma is a recognised foundation qualification that allows you to advance to PIID's Graduation Diploma in Interior Designing or our Advanced Professional PG Program, giving you an accelerated pathway to senior design roles.

Where is the institute located?
+

PIID is located at 3rd Floor, 13-B, Kavi Bharati Sarani (Lake Road), Kolkata-29, opposite Charu Chandra College. The campus is well connected by public transport and is close to Lake Road metro corridor.

Begin Your Design Journey
This July

Seats for the 2026 Diploma batch are limited. Apply now and secure your place in Kolkata's most trusted interior design institute.