CORAA
Updated October 2026

Audit automation — Page 13 insights.

Practical guides, procedure frameworks, and tool comparisons for CA firms navigating AI-powered audit in India.

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Deep-dive guides

Three pillar guides, end-to-end.

The archive

One article per concern, every workflow.

Audit Procedures
Post-Closing and Top-Side Adjustments: What an Auditor Should Ask For and Test
Entries made after the books close, or outside the ledger, carry the highest risk. What to request, how to test them and what good support looks like.
28 Sept 2026
6 min read
Audit Basics
Reasonable vs Limited Assurance, and What ISAE 3000 Covers
Reasonable and limited assurance explained in plain English: how much work each needs, how conclusions are worded, and what ISAE 3000 (Revised) covers.
28 Sept 2026
5 min read
Audit Standards
SOC 1 vs SOC 2 vs SOC 3 Reports Explained: Which One to Ask For
SOC 1, SOC 2 and SOC 3 reports compared in plain English: what each covers, who reads it, Type 1 versus Type 2, and which one to ask a vendor for.
28 Sept 2026
6 min read
Internal Audit
SOX Walkthroughs and Testing: Design vs Operating Effectiveness
How to run a SOX walkthrough and test a control: design effectiveness vs operating effectiveness, inquiry, observation, inspection and reperformance.
28 Sept 2026
7 min read
AI in Audit
Choosing an AI Model for Document Extraction in Audit: Invoices, Bank Statements and Confirmations
How to choose an AI model to pull figures from invoices, bank statements and confirmations, and the field-level test that shows which one is safe to use.
27 Sept 2026
5 min read
Internal Audit
Combined Assurance and the Three Lines Model: Who Assures What
How the IIA Three Lines Model and combined assurance fit together: who owns risk, who oversees it, who assures it independently, and how to map gaps.
27 Sept 2026
6 min read
Audit Standards
Control Deficiency, Significant Deficiency and Material Weakness: How to Classify
How to classify a control gap: control deficiency, significant deficiency or material weakness. The two questions that decide it, with worked examples.
27 Sept 2026
7 min read
Audit Standards
ISO 14001 Environmental Management System Audit Guide
How to audit an ISO 14001:2015 environmental management system: aspects, compliance obligations, operational control, emergencies and what evidence to see.
27 Sept 2026
6 min read
Audit Standards
ISO 45001 Occupational Health and Safety Audit Checklist
An ISO 45001:2018 audit checklist: worker participation, hazard identification, hierarchy of controls, contractors, emergencies and incident investigation.
27 Sept 2026
6 min read
Audit Procedures
ISO Audit Nonconformities: Major vs Minor, Evidence and Corrective Action
What an ISO nonconformity is, how major differs from minor, how to write the finding with evidence, and how to do corrective action that actually closes.
27 Sept 2026
7 min read
Internal Audit
IT Audit vs ITGC vs Cybersecurity Audit: Differences and When to Use Each
IT audit, ITGC audit and cybersecurity audit sound alike but answer different questions. What each covers, who asks for it and how to pick the right one.
27 Sept 2026
6 min read
AI in Audit
Long Audit Files and AI Context Windows: Chunking, Recall and Page Citations
How to feed a thousand-page audit file to an AI model without losing the clause that matters: chunking, recall tests and page citations explained.
27 Sept 2026
5 min read
Industry Guides
Mining and Quarry Audit: Royalty, DMF, Stock and Lease Checks
How to audit a mine or quarry in India: royalty and DMF payments, volume surveys, dispatch records, lease conditions and restoration provisions.
27 Sept 2026
6 min read
Audit Basics
Performance Audit and Value-for-Money Audit: How They Differ from Operational Audit
Performance audit and value-for-money audit judge results against cost using economy, efficiency and effectiveness. How they differ from operational audit.
27 Sept 2026
5 min read
Statutory Audit
Related Party Transactions: Auditor Procedures Under SA 550, With a Worked Example
What an auditor does on related party transactions under SA 550: identify, test approvals, challenge arm's length claims. With a worked example.
27 Sept 2026
6 min read
Audit Standards
SA 260: Communication With Those Charged With Governance - What to Say and When
SA 260 in practice: who counts as those charged with governance, what an auditor tells them, when, and in what form, with a simple calendar.
27 Sept 2026
6 min read
Industry Guides
School and College Audit: Fees, Grants and Trust Compliance Programme
How to audit a school or college in India: fee billing, advance fees, grants, staff costs and trust compliance, with a step-by-step programme.
27 Sept 2026
6 min read
Internal Audit
SOX Compliance for Indian Subsidiaries of US-Listed Companies
How SOX reaches an Indian subsidiary of a US-listed parent: scope, sub-certifications, controls testing, and how it overlaps with Indian IFC reporting.
27 Sept 2026
7 min read
Internal Audit
SOX IT General Controls Testing: Access, Change Management and Operations
How to test SOX IT general controls: user access, program change management and IT operations, with example tests, evidence and common failures.
27 Sept 2026
7 min read
Audit Basics
What Is an ISO Audit? Full Form and Meaning for Business Owners
ISO audit full form, what ISO stands for, and what an ISO audit checks, in plain words for business owners deciding whether and how to get certified.
27 Sept 2026
6 min read
Audit Procedures
Balance Confirmation Letter Format Under SA 505: Positive vs Negative, and What to Do on Non-Response
How to draft a balance confirmation letter under SA 505 for debtors, creditors and banks, choose positive or negative requests, handle non-responses and management refusal, and document it.
26 Sept 2026
8 min read
Internal Audit
Compliance Audit in Internal Audit: How to Scope and Test (India Context)
How internal audit scopes and tests compliance in India: build the obligations register, pick tests, sample evidence and report breaches, with a GST example.
26 Sept 2026
6 min read
Audit Standards
COSO 2013 Internal Control Framework for Auditors: Five Components in Practice
COSO 2013 has five components and 17 principles. What each component means, what an auditor looks for, and example evidence for each.
26 Sept 2026
7 min read
Bank Audit
Drawing Power Calculation: Stock, Book Debts and Margins Explained for CAs
How banks calculate drawing power for cash credit and overdraft accounts, with a worked example, a stock-audit checklist and the errors CA firms most often find.
26 Sept 2026
8 min read
Audit Procedures
How to Run an ISO Internal Audit Step by Step, Using ISO 19011 Guidance
Run an ISO internal audit from programme to follow-up using ISO 19011:2018 guidance: planning, opening meeting, evidence, findings, report and closure.
26 Sept 2026
7 min read
AI in Audit
How to Use ChatGPT and Claude for Balance Confirmation Letters: A Step-by-Step Guide for Auditors
Step-by-step prompts for using ChatGPT, Claude or Gemini to draft SA 505 balance confirmation letters, track replies, plan non-response follow-up and document alternative procedures, with the auditor in control.
26 Sept 2026
8 min read
AI in Audit
How to Use ChatGPT and Claude for Drawing Power Calculation: A Step-by-Step Guide for CAs
A step-by-step method for using ChatGPT, Claude or Gemini to re-perform a drawing power calculation safely, with copy-paste prompts, a worked case and checks against errors.
26 Sept 2026
8 min read
AI in Audit
How to Use ChatGPT and Claude for NPA Classification of Agricultural Loans: A Step-by-Step Guide for CAs
A step-by-step method for using ChatGPT, Claude or Gemini to test agricultural and allied loans for NPA classification and provisioning: safe setup, copy-paste prompts, a worked answer, and the checks that catch AI errors.
26 Sept 2026
9 min read
AI in Audit
How to Use ChatGPT and Claude to Work Out TCS on Scrap Sale: A Step-by-Step Guide for CAs
A safe way to use a general AI assistant to compute TCS on the sale of scrap - Section 206C(1) of the Income-tax Act 1961 and Section 394 of the Income-tax Act 2025 - with copy-paste prompts, a hand-checked example and the errors to catch.
26 Sept 2026
9 min read
AI in Audit
How to Use ChatGPT and Claude for an XBRL Applicability Check: A Step-by-Step Guide for CAs
Use ChatGPT, Claude or Gemini to test whether a company must file AOC-4 XBRL: safe setup, copy-paste prompts, four worked cases with expected answers, the errors AI makes, and a 60-second cross-check.
26 Sept 2026
8 min read
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