The Information Systems Audit (ISA) 3.0 course by ICAI is an essential qualification for Chartered Accountants aiming to enhance their knowledge in IT systems and controls. While the course is technical in nature, many CAs have successfully cleared it on their first attempt by following a structured and focused strategy. In this blog, we share a practical and time-tested approach to clearing the ISA 3.0 Assessment Test (AT) on the first attempt, based on the experience of CAs who have done it themselves. Understanding ISA 3.0 ISA 3.0 is designed to provide Chartered Accountants with specialized knowledge in Information Systems Audit. 

The course consists of the following components:

• Professional Training (PT)
• Eligibility Tests (ETs)
• Assessment Test (AT)

The curriculum covers six modules, ranging from IT basics to IS controls, cyber security, and business continuity planning. 

Why CAs Fail – And How You Can Avoid It

Many candidates struggle with ISA 3.0 not because it is overly difficult, but due to a lack of structured preparation and underestimation of the content. Success lies in treating it like any other professional exam — with seriousness, strategy, and consistent effort. 

  Proven Strategy to Crack ISA 3.0 – From a CA Who Cleared in First Attempt

1. Focus on ICAI’s Official Study Material 

 The official ICAI material is more than sufficient for the exam. Go through each chapter carefully, understand the concepts, and make your own summary notes where needed.

• Start with modules that are easier or more familiar to you.
• Give special attention to 
• Module 5 (Protection of Information System Assets), Module 4 (Information Systems Operations and Management), Module 3 (System Development, Acquisition, Implementation & Maintenance + App System Audit) and Module 1(Information Systems Audit Process) these are high-weightage and frequently tested areas.
• 2. Attend and Participate in PT Sessions Actively

•  Professional Training (PT) classes are a core part of the course. Pay attention, participate in discussions, and take notes. The faculty often highlights important and exam-relevant topics.

• Use PT slides (PPTs) for quick revision
• Ask questions and clear concepts in real time

 Each module comes with a set of multiple-choice questions (MCQs). These are critical for the exam since the final AT is entirely MCQ-based.

       

• Practice all questions at least 2–3 times
• Focus on understanding the logic, not just memorization
• ICAI often repeats or rephrases MCQs in the AT

4. Prepare a Realistic Study Plan 

 

Here’s a sample 4-week schedule for working professionals:                  Week	Focus Area
1	Read Modules 1–3 + solve MCQs
2	Read Modules 4–6 + solve MCQs
3	First revision + focus on weak areas
4	Full-length mock tests + final revision

Pro Tip: If you're working full-time, aim for 1–2 hours of study daily, and longer sessions on weekends. 

Assessment Test (AT) 

How to Tackle It The final ISA AT is a 4-hour, 200-mark online MCQ test. There is no negative marking, and the passing score is 60% (120 marks). Key Tips for the Exam:

• Attempt easier questions first, then circle back to the tougher ones
• Don’t spend too much time on any single question
• Take at least 2 mock tests under exam-like conditions
• Revise technical terms, IS controls, and frameworks thoroughly

Summary: First-Attempt Success Formula

Step	Action Item
Study Material	Read all modules + highlight key concepts
PT Classes	Attend regularly and revise PT slides
MCQ Practice	Solve all MCQs at least 2–3 times
Mock Tests	Attempt timed mocks to build exam stamina
Final Revision	Use summary notes and mind maps

Thoughts from a CA Who Cracked It 

 “Consistency was the key. I treated ISA 3.0 like a professional paper, gave 1–2 hours daily, and revised smartly. Relying only on ICAI’s material and MCQs was more than enough.” Explore Our ISA 3.0 Preparation Resources

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