OIL Senior Accounts Officer Exam 2019 vs 2024 Analysis | Previous Year Question Paper, Exam Pattern & Syllabus

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The Oil India Limited (OIL) Senior Accounts Officer/Internal Auditor exam is one of the most sought-after finance-oriented PSU recruitment tests. Over the years, the paper pattern has remained largely consistent, but certain subject areas have seen more emphasis and updates.

Here’s a detailed comparison of the 2019 vs 2024 exam papers to help aspirants plan their preparation effectively.

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📝 Exam Structure

The exam consists of 100 questions divided into:

• General English – 15 Qs

• Reasoning & Mental Ability – 15 Qs

• Numerical Aptitude – 10 Qs

• Subject Knowledge – 60 Qs

Both 2019 and 2024 followed the same structure, but the subject knowledge section reflects updated trends.

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📊 Section-wise Analysis

1. General English (15 Qs)

• Vocabulary, Grammar, Idioms, Spellings, and Reading Comprehension

• No change between 2019 & 2024 – balanced coverage across all topics.

2. Reasoning & Mental Ability (15 Qs)

• Topics: Series, Coding-Decoding, Puzzles, Venn Diagram, Mirror Images, Blood Relations, etc.

• Consistent pattern in both years – no major shift.

3. Numerical Aptitude (10 Qs)

• Covered Averages, Ratio, Interest, Profit & Loss, Geometry, LCM/HCF, Word Problems.

• Stable pattern – equal weightage in both years.

4. Subject Knowledge (60 Qs) – Most Crucial Section

Area	2019	2024	Trend
Accounting & Standards	10	12–13	More focus on AS, Ind-AS, IFRS
Cost & Management Accounting	8	9–10	Slight increase – Job Costing, Variance, Transfer Pricing
Auditing	7–8	8	Almost same – Internal Audit, Reports, Vouching
Company Law	6–7	7	More on ESOPs, Buy-back, Dividend
Direct Tax	7	9	Higher weightage – Salary, Residential Status, CG
Indirect Tax (GST & Customs)	6–7	8	More on GST ITC, Time of Supply
Finance & Law (Misc.)	5	6	SEBI, NI Act, FEMA, Contracts

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🔑 Key Takeaways

• Accounting + Costing dominate: ~22 Qs (36% of Subject Knowledge).

• Taxation (Direct + Indirect): ~16 Qs (27%).

• Audit + Company Law: ~15 Qs (25%).

• Finance & Law (Misc.): ~7–8 Qs (12%).

• 2024 exam more application-based with focus on GST updates, Ind-AS carve-outs, ESOPs, IFRS.

Related Blogs
Latest Vacancy	Click Here
Exam Dates	Click Here
PSU Syllabus	Click Here
PSU F&A Previous Year Question Papers	Click Here

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📌 Preparation Tips

1. Strengthen Accounting Standards, Ind-AS, and IFRS concepts.

2. Revise Costing techniques – Job/Contract costing, Variance, Transfer Pricing.

3. Stay updated with GST provisions & Income Tax amendments.

4. Focus on Company Law updates – ESOP, Buy-back, Dividend.

5. Practice previous year papers & mock tests to identify weak areas.

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❓ FAQs

Q1. Has the OIL Senior Accounts Officer exam pattern changed between 2019 and 2024?
👉 The overall structure (100 Qs) remains the same, but subject knowledge is more updated and application-focused in 2024.

Q2. Which section is most important?
👉 Subject Knowledge (60 Qs) is the most crucial – particularly Accounting, Costing, and Taxation.

Q3. What new topics were included in 2024?
👉 GST Time of Supply, Ind-AS carve-outs, IFRS, ESOP/Sweat Equity, Company Law updates.

Q4. How should I prepare for maximum marks?
👉 Focus on Accounting Standards, Costing techniques, and Taxation laws. Practice MCQs and attempt mock tests.

Q5. Is there negative marking in OIL Exam?
👉 Yes, OIL exams generally have negative marking (confirm with the latest notification).

Author: Divyanshu Kr Ranjan

Published: September 17, 2025

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