Physics Wallah

IAS, IES, PSU Job Comparison, Salary, Benefits, Lifestyle

Comparison of IAS, IES and PSU jobs for eligibility, pay, benefits, and lifestyle. Explore different departments for better career decisions. Check criteria, salaries, and daily life to align goals with these government roles.
authorImageRanvijay Singh17 Dec, 2023
Share

Share

IAS, IES, and PSU Job Comparison

IAS, IES, and PSU are three prominent choices that attract a wide number of government job aspirants. All three of these are highly prestigious and competitive jobs, so it becomes challenging to settle for one. While IAS, IES, and PSU all provide government employment with job security and benefits, they differ from each other in various aspects.

Moreover, in order to land IAS (Indian Administrative Services), IES (Indian Engineering Services), or PSU jobs, also known as Public Sector Undertakings, candidates need to clear multiple stages of examinations. This article aims to explore the characteristics of these three career choices, comparing their salary structures, benefits, lifestyles, and expectations versus the realities associated with each.

Understanding Differences Between the IAS, IES, and PSU Eligibility Criteria

Understanding the eligibility criteria for the IAS , IES, and PSU examinations is vital for individuals interested in pursuing these career paths because it provides an easy-to-understand overview of the educational qualifications, age limits, and other pertinent information required for appearing in the IAS, IES, or PSU recruitment .

Furthermore, by comprehending these factors, candidates may be able to identify the examination that most accurately matches their qualifications and interests. Let’s take a look at them.

Comparison of IAS, IES, and PSU Eligibility (General)
Particulars Age Limit Educational Qualification
PSU
  • Mini. 21 years
  • Max. 30 years
Majority seats for Engineering (some available for others)
ISE (Engineering Services)
  • Mini. 21 years
  • Max. 30 years
Engineering degree
IAS (Civil services)
  • Mini. 21 years
  • Max. 32 years
Graduation from any recognized university

While it may seem that mostly engineering students are best suited for IES or PSU jobs , there are various IAS vacancies for graduates in any discipline. Moreover, the minimum age limit for these examinations is 21 years, which means aspirants can start applying right after completing their bachelor's.

Additionally, the selection process for IAS and IES is somewhat similar, as both have prelims and mains followed by an interview. However, for PSU jobs such as ISRO, it has 2 stages: a single written exam and an interview.

IAS, IES, and PSU Exam Pattern Key Distinctions

While all IAS and IES have three stages prelims, mains, and interview as their selection process, PSU has just two: a written exam followed by an interview. Keep reading to learn more about the exam patterns of all three.

PSU Exam Pattern

It’s true that the PSU conducts its own examination; however, some of the Indian PSUs shortlist the applicants through the GATE exam, as listed below.

PSU Recruitment with GATE Without GATE exam
IOCL ISRO
ONGC NIELIT
PGCIL HAL
NTPC AAI

It is important to note that there are more than 100 PSUs in India, and these are just a few examples to help candidates understand the exam pattern for PSU jobs .

PSU Recruitment Exam Pattern
Particulars Details
Total number of questions 150-200
Exam duration 2-2 ½ hours
Negative marking ⅓ mark
Technical questions 70% to 80 % of total questions
English and General aptitude Approx. 20-30% of total questions
Question types MCQ, MSQ, NAT

While the written examination for PSU recruitment is qualifying in nature, the interview determines the selection of the candidates.

ISE Exam Pattern

The ISE exam is generally divided into two segments, technical and non-technical, also known as General Ability. Moreover, the selection process will include prelims, mains, and interviews.

Paper name Time duration Questions Marks
Prelims Paper-1 (General Studies and Engineering Aptitude) 2 hours 100 200
Paper- 2 (Respective Engineering Branch) 3 hours 300

Furthermore, participants will have approximately six months between the IES preliminary and the IES mains, giving them ample time to master the remaining examinations.

ISE Mains
Paper Subject No. of Questions Marks Exam duration
Paper I Engineering subjects 5 out of 8 300 3 hours
Paper II 300 3 hours

After clearing both the examinations, selected individuals will be invited for the final round, which is an interview carrying 200 marks in total.

IAS or Civil Services Exam Pattern

IAS is a part of Civil Services, which includes two papers in the preliminary stage related solely to General Studies.

Paper Questions Marks Time
Prelims Paper I: General Studies 100 200 2 hours
Paper II: General Studies II (CSAT) 80 200 2 hours

Both of these papers will include objective-type questions and the marks from Paper I will be applied to determine the cut off. CSAT (Paper II) marks, on the other hand, must be 33% in order to qualify.

Paper Marks Time Nature of paper
Mains Paper A (Mandatory Indian Language) 300 3 hours Qualifying
Paper B (English) 300 3 hours
Paper I (Essay) 250 3 hours Merit
Paper II (GS I) 250 3 hours
Paper III (GS II) 250 3 hours
Paper IV (GS III) 250 3 hours
Paper V (GS IV) 250 3 hours
Paper VI (Optional 1) 250 3 hours
Paper VII (Optional 2) 250 3 hours

Furthermore, all IAS mains papers are descriptive and mostly focus on English and General studies. As a result, it is critical to properly examine the IAS syllabus in order to identify the important areas.

The last stage is an interview that aims to evaluate the personality and knowledge of the selected candidates and carries 275 marks.

Various Departments of the IAS, IES, and PSU

Within IAS , IES , and PSU , there are numerous departments where candidates can get a job after successfully passing the examinations. Some of the most demanding departments are mentioned below.

Some of the Top PSU

  • ONGC (Oil and Natural Gas Corporation Limited)
  • CIL (Coal India Limited)
  • PGCIL (Power Grid Corporation of India)
  • NTPC (National Thermal Power Corporation)
  • GAIL (Gas Authority of India Limited)
  • PFCL (Power Finance Corporation Limited)
  • NCL (Northern CoalFields)
  • REC (Rural Electrification Corporation)
  • NPCIL (Nuclear Power Corporation of India Ltd)

IES Departments

  • Civil Department: Central Water Engineering Service, Indian Ordnance Factories Services, AEE in Border Road Engineering Services GR-A
  • Mechanical Department: Indian Inspection Service Group A, Indian Naval Armament Service, etc.
  • Electrical Department: Central Power Engineering Service, Indian Defence Service of Engineers, etc.
  • Electronics: Indian Telecom Service Group-A, etc.

IAS Departments

  • All India Civil Services: IAS, IPS, and IFos.
  • Group A Civil Services: IFS, ICAS, IDAS, IIS, IOFS, etc.

Apart from these, there are many other departments where candidates can grow their career and become successful. In order to learn in-depth details regarding these examinations, applicants can visit Physics Wallah website directly.

Salary Comparison Between IAS, IES, and PSU

Aspirants will be able to make more educated choices about their chosen career routes when they know the information regarding the salary structures of various career alternatives, such as the IAS, IES, and PSU.

Moreover, it helps them gain a better understanding of the financial benefits associated with each option and determining whether those benefits satisfy their expectations and financial goals. To know the detailed salary structure of IAS, IES, and PSU jobs, refer to the table below.

PSU Salary Structure

The maximum a candidate can earn under PSU jobs such as ONGC and PGCIL is approx. INR 1,23,000 after tax or other deductions. However, the salary structure differs from department to department and post to post.

PSU Salary Structure
Organization Status Salary Structure/ per month
ONGC Maharatna Rs. 60,000 to 1,80,000
IOCL Maharatna Rs. 60,000 to 1,80,000
NTPC Maharatna Rs. 60,000 to 1,80,000
CIL Maharatna Rs. 60,000 to 1,80,000
SAIL Maharatna Rs. 60,000 to 1,80,000
BPCL Maharatna Rs. 60,000 to 1,80,000
GAIL Maharatna Rs. 60,000 to 1,80,000
NLC Navratna Rs. 20600-3% to 46500
PGCIL Navratna Rs. 60,000 to 1,80,000

On the other hand, for highly prestigious scientific jobs such as ISRO, DRDO, etc., the salary starts at approx. INR 65,000 to INR 84,000 per month. It increases over time, depending on the years of service and other factors.

In addition to the PSU salary, employees are eligible for numerous perks and benefits such as health insurance, a provident fund, gratuities, house loans, and other performance-based incentives.

IES Salary Structure

Under the 7th Pay Commission, IES employees, also classified as Scale "A" officers, have a pay band of INR 56,100 per month. This places their salary on par with that of other civil service officers. Moreover, over time, there has been a significant increase in the salary of IES officers because previously the in-hand salary used to be around INR 42,000, whereas now it is approximately INR 55,135 per month.

Rank or Level Service duration Grade pay Salary structure
Junior level On Joining INR 5400 INR 15,600 – INR 39,100
Senior Scale 5 to 6 years of joining INR 6600 INR 15,600 – INR 39,100
Junior Administrative Grade Minimum 10 years INR 7600 INR 15,600 – INR 39,100
Selection grade scale 20 years and above INR 8700 INR 37,400 – INR 67,000
(Chief Engineer L2 / Jt. G M) - - -
Super time grade - INR 8700 INR 37,400 – INR 67,000
(Chief Engr. / Additional GM) - - -
Cabinet Secretary Grade Fixed N/A INR 90,000
Apex Pay Scale Fixed N/A INR 80,000

IAS Salary Structure

When it comes to an IAS officer, their basic salary starts at INR 56,100, which doesn't include DA, TA, and HRA. The salary can go up to INR 2,50,000 per month at the post of Cabinet Secretary of India. Additionally, the gross monthly IAS salary differs from state to state and district to district.

Level Basic Pay IAS Salary Range
Entry-level (initial salary) INR 56,100 Ranging from INR 56,100 to INR 1,32,000
Maximum Pay (at Cabinet Secretary Level) INR 2,50,000 INR 2,50,000

The salary structure for IAS, IES, and PSU employees is fairly decent and competitive. It also comes with additional bonuses and perks. As a result, aspiring candidates can consider these particulars before making their decision.

Lifestyle Comparison Between IAS, IES, and PSU

Understanding the lifestyle that comes with IAS , IES , and PSU jobs allows applicants to make better-informed decisions regarding their future. It allows them to determine whether the lifestyle is compatible with their personal preferences, values, and long-term goals.

Furthermore, the lifestyle aspect may have a direct impact on the candidates' physical and emotional well-being. Take a look at the lifestyle associated with IAS, PSU, and IES jobs.

Aspect PSU Employees IAS Officers IES Officers
Nature of Job Specific domains within the public sector Administrative roles in the government Engineering roles in the government
Work environment Regular office hours, fixed responsibilities Dynamic and challenging decision-making Dynamic and challenging engineering projects
Salary and benefits Fixed salary, medical insurance, and benefits Higher pay scales, government accommodation Higher pay scales, allowances, and benefits
Social Status Comparatively lower social recognition High administrative positions, prestigious Respected position in the engineering field
Career Growth Limited vertical growth opportunities Greater prospects for career growth and promotions Opportunities for growth within engineering
Job Security Generally secure employment Job security with pensions and post-retirement Job security with pensions and benefits
Work-Life Balance Fixed working hours, better balance Demanding work schedules, frequent transfers Demanding work schedules and project deadlines

PSU jobs are best suited for anyone looking for a peaceful and less demanding lifestyle. In contrast, due to responsibilities such as supervising reports, guiding teams, and other supervisory duties, the lifestyle of IAS and IES officials becomes chaotic.

Expectations vs. Reality of IAS, IES, and PSU Jobs

Given that all three of them (IAS, IES, and PSU) are government jobs with long-term and secure employment, aspirants may have other expectations that differ from reality.

For instance, government jobs are considered less hectic and more peaceful as compared to those in the private sector. To some extent, this may be true; nonetheless, each job profile has its own unique set of roles and responsibilities.

Particulars Expectations Reality
Salary Decent pay scale Varies; generally higher in IAS and IES compared to PSU
Work-Life Balance Balanced working hours and weekends off PSU: Usually balanced; IAS/IES: May have demanding schedules
Career Growth Steady promotions and opportunities for advancement PSU: Limited vertical growth; IAS/IES: Better prospects for growth
Job Security Stable and secure employment PSU, IAS, and IES: Generally high job security
Social Status Respect and recognition as a government employee IAS: Prestigious position, high social status; PSU and IES: Varies
Job Responsibilities Specific roles within a domain IAS: Broad administrative responsibilities; IES: Engineering work
Stress Levels Moderate PSU: Relatively lower; IAS/IES: Can be high depending on workload
Work Environment Structured and hierarchical PSU: Usually structured; IAS and IES: Dynamic and challenging
Job Location Often within specific regions or cities PSU, IAS, and IES: May involve transfers to different locations

By now, aspirants can observe a few differences when comparing IAS, IES, and PSU jobs in terms of salary, benefits, and lifestyle. While all three are highly competitive and require extensive preparation, IAS and IES officers generally have higher salaries and better career growth opportunities, but their lifestyles can be more demanding.

On the other hand, PSU jobs offer stable employment and a balanced work-life balance. It's necessary for aspirants to carefully assess their expectations and the realities of these jobs and settle for the one that aligns with their long-term goals.

IAS, IES, and PSU Job Comparison FAQs

Q1. What is a PSU, exactly?

Ans. PSU stands for Public Sector Undertaking. It's an Indian government-owned public-sector company. PSU jobs offer employment opportunities in various sectors such as finance, energy, telecommunications, manufacturing, and more.

Q2. Which job among IAS, IES, and PSU provides better work-life balance?

Ans. In general, PSU jobs offer a better work-life balance than IAS and IES jobs. Because they have set working hours, consistent schedules, and fewer demands outside of work.

Q3. Which is the highest-paid PSU job?

Ans. PGCIL and ONGC have the highest-paying PSU jobs in India. Both of these examinations shortlist candidates through GATE. Therefore, aspirants must prepare with utter dedication for the upcoming GATE 2024 exam if they wish to take these PSU examinations.

Q4. What is better, an IES or a PSU?

Ans. Nevertheless, the IES officers' benefits simply outweigh the salary part of PSU jobs. As it includes advantages such as greater authority and respect in society compared to other PSU roles and holding the title of "government officer" as an IES employee.
Join 15 Million students on the app today!
Point IconLive & recorded classes available at ease
Point IconDashboard for progress tracking
Point IconMillions of practice questions at your fingertips
Download ButtonDownload Button
Banner Image
Banner Image
Free Learning Resources
Know about Physics Wallah
Physics Wallah is an Indian edtech platform that provides accessible & comprehensive learning experiences to students from Class 6th to postgraduate level. We also provide extensive NCERT solutions, sample paper, NEET, JEE Mains, BITSAT previous year papers & more such resources to students. Physics Wallah also caters to over 3.5 million registered students and over 78 lakh+ Youtube subscribers with 4.8 rating on its app.
We Stand Out because
We provide students with intensive courses with India’s qualified & experienced faculties & mentors. PW strives to make the learning experience comprehensive and accessible for students of all sections of society. We believe in empowering every single student who couldn't dream of a good career in engineering and medical field earlier.
Our Key Focus Areas
Physics Wallah's main focus is to make the learning experience as economical as possible for all students. With our affordable courses like Lakshya, Udaan and Arjuna and many others, we have been able to provide a platform for lakhs of aspirants. From providing Chemistry, Maths, Physics formula to giving e-books of eminent authors like RD Sharma, RS Aggarwal and Lakhmir Singh, PW focuses on every single student's need for preparation.
What Makes Us Different
Physics Wallah strives to develop a comprehensive pedagogical structure for students, where they get a state-of-the-art learning experience with study material and resources. Apart from catering students preparing for JEE Mains and NEET, PW also provides study material for each state board like Uttar Pradesh, Bihar, and others

Copyright © 2025 Physicswallah Limited All rights reserved.