Register / Enquiry
Indian Statistical Service
The Secret to Getting Ahead is Getting Started.


ISS - Indian Statistical Service 2018

The Indian Statistical Services (ISS) is a structured Group-A Central Civil Services of the executive branch of the Government of India (GoI).

Indian Statistical Service – History

  • On 26th July 1952 after the decision of establishing the statistical cadre, a committee under the chairmanship of Shri V.T. Krishnamachari (then Chairman of the Planning Commission was formed for inspecting the formation of the Statistical Cadre.
  • In September 1953, the formation of ‘Statistical and Economic Advisory Service’ was recommended by the committee in their report. But Professor Prasanta Chandra Mahalanobis suggested the formation of a separate cadre for Central Statistical.
  • On 12th February 1958, the Cabinet decided to form separate services namely Statistical Service and Economic Service.
  • In 1961, the Indian Statistical Service was formed as cadre of the skilled professionals with Statistics as their basic qualification.
  • All statistical posts of different ministries and departments were joined during the initial formation of service.
  • In 1967, direct recruitment in the service through the UPSC Exam was started.
  • In October 1968, the batch of skilled professionals joined the Indian Statistical Service.

Objective of Formation of the ISS

  • The main aim of forming the Indian Statistical Service was establishing a basic qualified capability within the Government to associate and propagate the statistics at the national and international level and render vital statistical essentials of planning, policy devising, and decision-making.
  • On 29thJuly 2015, the Cabinet approved the latest Cadre Review and on 7thJune 2016the ISS ruleswere reported.

Cadre Strength And Hierarchy

  • 50% of the posts in this service are filled through the direct recruitment at the entry grade of ISS i.e. Junior Time Scale and the rest of 50% is recruited by a promotion of officers form the Subordinate Statistical Service (SSS)
  • At the entry grade of ISS i.e. Junior Time Scale, 50% of the posts are filled through direct recruitment and remaining 50% by promotion of officers from Subordinate Statistical Service (SSS).
  • The direct recruitment is made through the ISS/IES Examination an All Indian Competitive Examination conducted by the Union Public Service Commission (UPSC).
  • The ISS Officers training academy is the National Statistical System Training Academy (NSSTA), Greater Noida (UP).
  • Presently, the cadre strength of the service is 814 distributed in various grades as mentioned below.
Higher Administrative Grade Plus (HAG PLUS) (Director General)
Higher Administrative Grade (HAG) (Additional Director General)
Senior Administrative Grade (SAG) (Deputy Director General)
Junior Administrative Grade (JAG) (Deputy Director General)
Junior Administrative Grade (JAG) (Joint Director/Director)
Senior Time Scale (STS) (Deputy Director)
Junior Time Scale (JTS) (Assistant Director)

About Indian Statistical Service Exam

The ISS Examination is conducted by the Union Public Service Commission (UPSC) every year to recruit candidates at the entry grade of ISS i.e. Junior Time Scale. The exam is conducted along with Indian Economic Service Exam

Click the below links to know about the other details of the exam.

Exam Pattern

Part I is written examination carrying a maximum of 1000 marks. Part II is viva-voce of such candidates as may be called by the Commission, carrying a maximum of 200 marks.





1 General English 100 3 hours
2 General Studies 100 3 hours

Statistics - I (Objective)

200 2 hours

Statistics - II (Objective)

200 2 hours

Statistics - III (Subjective)

200 3 hours

Statistics - IV (Subjective)

200 3 hours

Statistics I & II are of Objective Type Questions (80 questions with maximum marks of 200 in each paper) to be attempted in 120 minutes. Statistics III & IV are of Descriptive Type having Short Answer/Small Problems Questions (50%) and Long Answer and Comprehension problem questions (50%).

Eligibility Criteria

Education: A candidate must have obtained a Bachelor's Degree with Statistics/Mathematical Statistics/Applied Statistics as one of the subject or a Master's degree in Statistics/Mathematical Statistics/Applied Statistics from any university recognized by the Government of India.

Age: 21 - 30 years on 1st August of the year of exam.

Exam Syllabus

The questions papers in all the subjects will be of conventional (essay) type. Questions will be set in English and must be answered in English as well.

You need to answer the exam yourself and won't be allowed a scribe to write for you. However, blind candidates will be allowed a scribe as well as an additional 30 minutes for each paper. Candidates with locomotor disability and cerebral palsy will also be allowed an extra 20 minutes per paper, but won't be allowed a scribe.

The UPSC decides the qualifying marks for each paper.

Marks may be deducted if your handwriting is not easily understood. No marks will be given for superficial (slight) knowledge.

You will be allowed to use scientific, non-programmable calculators in the examination hall.

You may use only the international form of Indian numerals (i.e. 1,2,3,4) while writing the exam.

Vice Voce (Interview)

You will be interviewed by a Board of qualified and impartial observers who will have before them a record of your career. The object of the interview is to judge how suitable you are for the service for which you are competing. This viva voce exam/ oral interview will test the general and specialised knowledge and abilities of the candidate, in addition to the written exam.

Syllabus of interview

You are expected to be aware of not just the subjects of your academic study but also about events which are happening around you; both within and outside your state or country, as well as in modern currents of thought and in new discoveries which should stir the curiosity of any well-educated youth.

The interview won't be a strict cross examination, but would be more of a natural, yet directed and purposeful conversation, intended to reveal your mental qualities and your grasp over various problems. The Board will pay special attention to assessing the intellectual curiosity, critical powers of assimilation, balance of judgment and alertness of mind, the ability for social cohesion, integrity of character, initiation and capacity of leadership.

UPSC 2018 Indian Statistical Service Examination Important Dates


Date of UPSC Notification

21st March 2018

Date of Commencement of ISS Examination

29th June 2018

Duration of Examination

3 Days

Last Date for Receipt of Applications

16thApril 2018 - 6:00 PM

Download UPSC 2018 Notification for ISS Exam

ISS 2018 Notification PDF

Get access to question papers!
  Get Questions