Top 10 Free Upskilling Courses with Certification by HCL GUVI: Best Upskilling Courses in Tech [2026]

Building new technical skills can help students, freshers, and working professionals prepare for changing career requirements. However, finding the right learning resource can be difficult when you are starting with a limited budget.

HCL GUVI offers learning opportunities across programming, databases, web development, and Generative AI. This guide explores 10 free courses, their main learning areas, certification details to check, and the type of learner each course may suit.

Whether you want to learn your first programming language or explore a new technology, these HCL GUVI courses can help you identify a suitable starting point. Read on to compare the options and choose upskilling courses that match your current knowledge and career goals.

TL;DR Summary

• HCL GUVI offers free courses across programming, databases, web development, and Generative AI.
• This guide covers 10 learning options, including Python, Java, JavaScript, SQL, C programming, HTML and CSS, and AI-related subjects.
• Course topics, duration, language options, and certification eligibility can differ between programmes.
• Before enrolling, check the current course page for fees, certificate conditions, access details, and the complete syllabus.
• Beginners can start with foundational courses, while learners with existing knowledge can select a course that builds on their current skills.
• The right upskilling courses depend on your learning goals, available time, and the practical skills you want to develop.

Top 10 Free Courses by HCL GUVI

You’re well aware of the importance of upskilling in the tech world. We are going to tell you about some of the top tech courses in the market which will equip you with the most essential and in-demand skills, which will be substantiated with globally recognized certifications. The best part is that you can learn at your own pace! Here are the top free HCL GUVI Courses:

1. Python with IIT Certification

Python is a suitable starting point for learners who want to understand programming concepts without beginning with complicated syntax. This course introduces Python fundamentals and helps learners practise concepts such as variables, conditional statements, loops, functions, and data structures.

It can be useful for students, freshers, and professionals exploring software development, automation, or data-related work. Before enrolling, review the official course page to confirm the current syllabus, course duration, and exact certification details.

Available In

English, Hindi, Tamil, Telugu, Odiya, Marathi, Kannada, Gujarati, Malayalam, Spanish, Arabic

Key Learnings

This course will offer a solid foundation in Python to the learners, covering aspects from basic syntax to advanced features. The course is structured into modules ranging from beginner to expert levels. Key learnings include:

• Creating and manipulating data structures like lists, tuples, and dictionaries.
• Writing conditional statements and loops for task automation and problem-solving.
• Debugging Python code effectively.
• Utilizing external libraries and APIs to expand Python’s capabilities.
• Handling various file formats for data input and output.
• Developing reusable code through functions, enhancing code readability and maintenance.

Also Find Out Top 10 Reasons Why Python is Super Popular

Why Learn this Course?

Ideal for anyone interested in programming or career advancement in IT, this course offers:

• Gaining industry-relevant Python skills.
• Earning an IIT-incubated certification enhances your professional profile.
• Opening career opportunities in data analysis, software development, and more.
• Flexible, self-paced learning suitable to balance other commitments.
• Easy learning through beginner-friendly, yet comprehensive curriculum to provide a deep understanding of Python.

Ratings: 4.45 Ratings/5

Duration: 7 Hours

Not sure where to begin with Python? Read GUVI’s free Python handbook before starting the course — it covers syntax, data structures, and functions in plain language: Python Tutorial

2: ChatGPT for Everyone

ChatGPT can support tasks such as brainstorming, summarising information, drafting content, and explaining unfamiliar concepts. This course introduces learners to ChatGPT and related concepts, helping beginners understand how conversational AI can be used in different learning and work situations.

It may suit students, professionals, and beginners who want to explore AI tools before moving on to more technical subjects. Review the current syllabus to understand which topics are included and check the course page for the exact certification issuer and eligibility conditions.

Available in: English, Bengali

What Will You Learn

The course covers several key areas essential for understanding and working with ChatGPT:

• Fundamental concepts of NLP and language modeling.
• The architecture and functioning of ChatGPT.
• Techniques for processing and analyzing text data, including tokenization and named entity recognition.
• Training ChatGPT on custom datasets and prompts.
• Generating human-like responses using ChatGPT.
• Practical skills for writing code to interact with the ChatGPT API and integrating it into various projects.

Explore Everything You Should Know About ChatGPT & Why It Matters?

Why Learn this Course?

Ideal for AI beginners and those seeking to apply ChatGPT in real-world scenarios, this course offers

• Gaining cutting-edge AI knowledge, particularly in language processing.
• Acquiring practical NLP and AI skills, valuable in tech industries.
• Learning to customize and apply ChatGPT in various projects.
• Earning a free, globally recognized certification.

Rating: 4.52/5

Duration: 1.5 Hours

Looking to move beyond basic ChatGPT skills? Here’s your chance to be a part of Be part of the Bharat AI Initiative, a nationwide movement by HCL GUVI, in association with OpenAI, built to help India’s youth develop advanced ChatGPT skills absolutely free! Learn structured prompting, refine responses with clarity, and apply ChatGPT more effectively in projects, assignments, and everyday work. Learn in English, Hindi, Marathi, Tamil, or Telugu and start your free AI journey!

Join the Movement

3: Introduction to Data Engineering and Big Data

Data engineering focuses on collecting, organising, transforming, and moving data so that it can be used by applications, analysts, and other systems. Big Data introduces challenges associated with handling large or complex datasets.

This course can help beginners explore the foundations of data pipelines, data storage, and data processing. It may be useful for learners considering data engineering or related technical fields. Check the official course page for the latest syllabus, prerequisites, and certification information before enrolling.

Available in: English

What Will You Learn?

Participants in this course will gain a deep understanding of several key aspects of Data Engineering, including:

• Fundamental concepts and components of the data pipeline.
• Techniques for gathering data from multiple sources and transforming it into analytics-ready formats.
• Knowledge of storing data using various methods like relational and non-relational databases, data warehouses, data marts, data lakes, and big data stores.
• Skills to design and construct data pipelines tailored for data scientists and analysts.
• Understanding of Big Data problems and developing solutions for them.
• Insights into the security, governance, and compliance aspects of data.

Also Read | Scope of Data Engineering in India

Why Learn this Course?

Ideal for aspiring data engineers, data science professionals, and anyone interested in data systems, this course offers:

• Career advancement in the rapidly growing field of Data Engineering.
• Industry-relevant skills, especially in Big Data.
• Proficiency in applying practical knowledge in real-world scenarios.
• Enhance professional credibility with a recognized certification.

Rating: 4.5/5

Duration: 7 Hours

Looking to move beyond basic ChatGPT skills? Here’s your chance to be a part of Be part of the Bharat AI Initiative, a nationwide movement by HCL GUVI, in association with OpenAI, built to help India’s youth develop advanced ChatGPT skills absolutely free! Learn structured prompting, refine responses with clarity, and apply ChatGPT more effectively in projects, assignments, and everyday work. Learn in English, Hindi, Marathi, Tamil, or Telugu and start your free AI journey!

Join the Movement

 4: JavaScript Beginners Course

 JavaScript Beginners Course with Official Skill India Certification

JavaScript is used to add interactive behaviour to websites, including form validation, dynamic content, and user interactions. For learners who already understand basic HTML and CSS, JavaScript is a natural next step towards frontend development.

This course introduces JavaScript concepts and helps learners build a foundation for working with interactive web pages. Review the official course page to confirm the current syllabus, language availability, and exact Skill India certification terms.

Available in: English

What Will You Learn?

In this JavaScript course, you’ll learn in detail about:

1. Core JavaScript fundamentals.
2. Professional JavaScript coding techniques.
3. Building interactive web pages and applications.
4. Up-to-date knowledge of ES6 JavaScript concepts.
5. Mastery of advanced JavaScript topics like Hoisting, Function Expressions, and Classes.
6. Skills to tackle JavaScript coding interviews.
7. Real-world project experience for portfolio development.

Find Out Best 5 Reasons to learn JavaScript in regional languages

Why Learn this Course?

Ideal for beginners, professionals, students, or hobbyists looking to learn the basics of web development through JavaScript, this course offers:

• Gain essential JavaScript knowledge for web development.
• In-depth knowledge of JavaScript, which is vital for modern web applications.
• Opportunities in various development roles.
• A globally recognized certification from NSDC (Skill India)

Rating: 4.33/5

Duration: 13 Hours

Explore the free Python Handbook from HCL GUVI Learn Hub and master one of the most in-demand programming languages with a step-by-step, beginner-friendly learning approach. This practical Python programming handbook covers Python basics, core concepts, real-world coding examples, and hands-on exercises to help you build strong programming skills from scratch.

5: Java Beginners Course

 Java Beginners Course with Official Skill India Certification

Java is a programming language used in a range of software applications, including backend systems and enterprise applications. Learning Java introduces beginners to programming fundamentals and object-oriented programming concepts.

This course may suit students and freshers who want to start learning Java or strengthen their programming basics. Check the official course page to confirm the topics covered, the course duration, and the current certification conditions.

HCL GUVI’s Java Beginners Course is an ideal start for learning Java programming, offering a path from beginner to expert. This self-paced, online course provides quality guidance and a prestigious certificate, perfect for upskilling in Java.

Available in: English

What Will You Learn?

In this Java course, you’ll gain in-depth knowledge about:

1. Fundamental Java programming concepts and core principles.
2. Object-oriented programming (OOP) using Java.
3. Java Server Pages (JSP), Servlets, and MySQL integration.
4. Best coding practices and professional development techniques.
5. Building scalable software applications.
6. Real-world project experience for practical application.
7. Preparation for Java programming interviews.

Learn How to Become a Java Developer?

Why Learn this Course?

Ideal for students, freshers, or professionals looking to gain advanced JAVA skills to venture into the software development domain, this course offers:

• Expertise in Java for building scalable applications.
• Quality learning from industry experts with a practical, real-world focus.
• A globally recognized National Skill Development Corporation (Skill India) Certification.
• Enhancement to your resume and the ability to stand out in developer roles.
• Access to hands-on projects for a robust learning experience.

Rating: 5/5

Duration: 4 Hours

6: Generative AI Course

Generative AI Course with Official HCL GUVI Certification

Generative AI refers to AI systems that can produce content such as text, images, code, and other outputs. Understanding its basic concepts can help learners explore how these tools are used in software development, content creation, and other workflows.

This course is intended to introduce learners to Generative AI and its applications. It can be a starting point for people who want to understand the technology before exploring more advanced AI subjects. Check the current course page for the topics covered, supported languages, and exact certification details.

Available in: English, Tamil, Telugu, Hindi

What Will You Learn?

This course takes you through the fundamentals and practical applications of Generative AI:

• Core concepts behind Generative AI and how large language models work
• Differences between discriminative and generative models
• Prompt engineering fundamentals to get better outputs from AI tools
• Real-world applications of Generative AI in text, image, code, and audio generation
• Using popular tools like ChatGPT, Gemini, and Midjourney effectively
• Ethical considerations and responsible use of AI-generated content
• How to integrate Generative AI capabilities into day-to-day workflows

Why Learn this Course?

Ideal for students, working professionals, entrepreneurs, and anyone curious about how AI is changing the world, this course offers:

• A solid foundation in the technology that is defining careers in 2026
• Practical knowledge that applies directly to roles in software, marketing, content, and data
• Globally recognized certification to strengthen your resume
• Self-paced learning available in your preferred regional language
• A gateway to exploring advanced AI and machine learning skills

Rating: 4.5/5

Duration: 4 Hours

 7: C Programming Beginners Course

 C Programming Beginners Course with Official Skill India Certification

C is a foundational programming language that introduces learners to variables, data types, operators, conditional statements, loops, and functions. It also helps learners understand how programs are structured and how logic is translated into code.

This course may be suitable for students who are beginning their programming journey or strengthening their computer science fundamentals. Review the official course page to confirm the current topics, duration, and certification terms.

Available in: English, Tamil

What Will You Learn?

This course covers all the essentials of C programming from the ground up:

• Understanding the structure of a C program and writing your first code
• Data types, variables, operators, and expressions
• Control structures including if-else, loops, and switch statements
• Functions, recursion, and modular programming
• Arrays, strings, pointers, and memory management
• File handling and working with structures and unions
• Debugging techniques and best practices for writing clean C code

Why Learn this Course?

Ideal for engineering students, freshers preparing for technical interviews, and anyone looking to build a strong programming foundation, this course offers:

• Mastery of a language that underpins operating systems, embedded systems, and device drivers
• Strong conceptual clarity that makes learning any other language faster and easier
• Directly relevant for college placements, GATE exam preparation, and coding interviews
• Globally recognized certification to validate your foundational skills
• Self-paced learning that fits around your college schedule or work hours

Rating: 4.4/5

Duration: 5 Hours

Read HCL GUVI’s free C handbook to reinforce your fundamentals: C Programming Tutorial

8: SQL for Beginners

SQL for Beginners with Official Skill India Certification

SQL is used to retrieve, filter, update, and organise information stored in relational databases. It is useful for learners exploring database management, data analysis, backend development, and other areas where structured data is important.

This course introduces SQL concepts and query-writing skills for beginners. As you practise, focus on understanding how queries work and how to retrieve the information you need. Check the official course page for the latest syllabus, duration, and certification conditions.

Available in: English

What Will You Learn?

This course walks you through SQL from the basics to practical, real-world usage:

• Introduction to relational databases and how SQL fits in
• Writing SELECT, INSERT, UPDATE, and DELETE statements
• Filtering and sorting data with WHERE, ORDER BY, and GROUP BY clauses
• Using JOINs to combine data from multiple tables
• Aggregate functions like COUNT, SUM, AVG, MIN, and MAX
• Subqueries and nested queries for complex data retrieval
• Introduction to database design and normalization principles

Why Learn this Course?

Ideal for data enthusiasts, aspiring data analysts, backend developers, and professionals working with databases, this course offers:

• A skill that is directly applicable from day one in any data or development role
• Foundation knowledge required before learning tools like Power BI, Tableau, or advanced Python data libraries
• Certification that stands out in data analyst and software developer job applications
• Practical exercises that mirror the kind of queries you will write on the job
• Free access with lifetime course availability

Rating: 4.4/5

Duration: 6 Hours

Free resources for your study schedule: SQL & DBMS Handbook

9: HTML and CSS for Beginners

 HTML and CSS for Beginners with Official Skill India Certification

HTML provides the structure of a webpage, while CSS controls its visual presentation, including layout, colours, spacing, and typography. Together, they form the foundation of frontend web development.

This course may suit learners who want to understand how websites are built before moving on to JavaScript or frontend frameworks. Practising by creating a simple webpage can help reinforce the concepts. Check the official course page to confirm the current syllabus and certification eligibility.

Available in: English

What Will You Learn?

This course gives you a solid foundation in the building blocks of every website:

• HTML document structure, tags, attributes, and elements
• Creating headings, paragraphs, links, images, lists, and tables
• HTML5 semantic elements like header, footer, section, and article
• CSS selectors, properties, and the box model
• Styling text, colors, backgrounds, and borders with CSS
• Flexbox and CSS Grid for responsive layout design
• Building and deploying a simple personal webpage as your first project

Why Learn this Course?

Ideal for aspiring web developers, students, entrepreneurs building their first website, and anyone who wants to understand how the web actually works, this course offers:

• The foundational knowledge required before learning JavaScript, React, or any frontend framework
• Hands-on practice building real web pages from scratch
• Globally recognized certification to kickstart your web development career
• Free lifetime access to all course content
• A clean introduction to the web that is easy to understand even with zero tech background

Rating: 4.3/5

Duration: 5 Hours

Practicing HTML/CSS in a plain editor? Keep HCL GUVI’s free handbooks open as a reference while you code: HTML5 Handbook & CSS Handbook

10: Generative AI Applications and Python Fundamentals

Generative AI Applications and Python Fundamentals with Official HCL GUVI Certification

Python can be used to build scripts, automate tasks, process data, and develop applications. When combined with Generative AI concepts, it can also be used to create tools that interact with AI models.

This course combines Python fundamentals with an introduction to building Generative AI applications. It may suit learners who already want to explore both programming and AI, although beginners should check the prerequisites before enrolling. Review the current course page for the exact syllabus, practical activities, and certification conditions.

Available in: English

What Will You Learn?

This course covers both Python fundamentals and Generative AI application development:

• Python basics including variables, data types, functions, and control flow
• Working with Python libraries for data handling and automation
• Introduction to Large Language Models (LLMs) and how they work
• Using the OpenAI API to build Generative AI applications
• Prompt engineering techniques for building reliable AI outputs
• Building a simple AI-powered chatbot or content generator using Python
• How to deploy and share AI applications built with Python

Why Learn this Course?

Ideal for students, freshers, and career-switchers who want to enter AI development or land roles in AI-powered companies, this course offers:

• A dual-skill advantage combining Python and Generative AI in one course
• Hands-on project experience building real AI tools with Python
• Certification that directly aligns with what hiring managers in AI companies are looking for in 2026
• Free access to one of the most practical and career-relevant courses on the platform
• A strong stepping stone toward advanced AI, machine learning, and LLM engineering roles

Rating: 4.5/5

Duration: 6 Hours

These are the top free courses offered by HCL GUVI, an IIT-M and IIM-A incubated company, that offers top-quality tech courses for free in vernacular languages. They are beginner-friendly and easy to learn. You can easily learn a new skill within a few hours!

HCL GUVI has a vast library of free courses across various domains. Additionally, HCL GUVI also offers advanced upskilling through their premium courses that are available at minimal cost, so that everybody gets equal access to quality tech education.

How to Choose the Right Course

The right course depends on your current skills, learning goals, and the amount of time you can dedicate to practice.

• If you are new to programming: Start with Python or C programming to understand basic coding concepts.
• If you want to explore website development: Learn HTML and CSS, then consider JavaScript.
• If you want to work with databases: Start with SQL and practise writing queries on sample datasets.
• If you are interested in data systems: Explore the introduction to Data Engineering and Big Data.
• If you want to understand AI tools: Begin with ChatGPT or Generative AI fundamentals.
• If you want to build AI applications: Consider the course combining Python fundamentals and Generative AI, after checking its prerequisites.

Before enrolling, review the syllabus, course access conditions, and certification requirements. Choose one course that fits your current level, complete the learning activities, and practise the concepts before moving to another topic.

Tips to Get the Most Out of Free Courses

Free learning resources are most useful when you apply what you learn instead of only watching lessons.

1. Set a clear learning goal: Decide what you want to understand or build before starting a course.
2. Follow the syllabus: Study the topics in order so that foundational concepts support more advanced ones.
3. Practise while learning: Write code, run queries, or create a small webpage, depending on the course.
4. Keep notes: Record important concepts, common errors, and examples that you can review later.
5. Build a small project: Apply the skills you have learned to a simple, practical task.
6. Check certification conditions: Confirm whether a certificate is included, whether assessments are required, and whether any fees apply.
7. Update your portfolio: Where relevant, document your project and explain what you learned.

A consistent learning routine can help you make progress without trying to complete too many courses at once.

Conclusion

Learning a new technical skill does not always require a large initial investment. HCL GUVI offers learning options across programming, web development, databases, and Generative AI, giving learners several subjects to explore.

The most suitable course depends on your current knowledge and what you want to learn next. Start with a topic that matches your skill level, practise the concepts regularly, and apply them through small projects wherever possible. Before enrolling, check the course page for current access conditions, syllabus details, and certification requirements. With a clear learning goal and consistent practice, you can use these free courses as a starting point for your continued technical development.

Find Out Why is HCL GUVI the #1 Best Online Personalized Learning Platform?

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