(Exam Info) SSC Investigators Examination

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Investigators Examination

This Examination is held by Staff Selection Commission for the recruitment of Investigators in National Sample Organization (Field Operations Division) and Ministry of Planning.


20-28 years as on August of the year of examination. Age concession is according to rules and regulations of the Government of India.

Nationality: A candidate must be either:—
(a) A citizen of India, or
(b) a subject of Nepal, or
(c) a subject of Bhutan, or
(d) a Tibetan refugee who came over to India before 1st January, 1962 with the intention of permanently settling in India. or
(e) a person of Indian origin who has migrated from Pakistan, Burma, Sri Lanka, East African countries of Kenya, Uganda, the United Republic of Tanzania, Zambia, Malawi, Zaire, Ethiopia or from Vietnam with the intention of permanently settling in India.

Provided that a candidate belonging to categories (b), (c), (d) and (e) above shall be a person in whose favour a certificate of eligibility has been issued by theGovernment of India.

A candidate in whose case a certificate of eligibility is necessary, may be admitted to the examination but the offer of appointment may be given only after the necessary eligibility certificate has been issued to him by theGovernment of India.

Educational Qualification:
Degree with Mathematics or Statistics or Economics as a subject from a recognized University.

Note: Candidates having Honours Degree should have Mathematics or Statistics or Economics as a main subject and not as a subsidiary subject.

Desirable: I) Ability to read, write and speak the state language.  II) Knowledge of other regional languages.  III) capability to undertake strenuous outdoor work.


Proficiency Test

Paper I: (Objective type consisting of 200 questions) – 2 hours

Subjects Marks
General Intelligence 50
General Awareness 50
General English & C omprehension 100

Paper II: (Conventional type consisting of 200 questions of 200 marks) – 2 hours

Subject: Statistics/Economics/Mathematics

Note: Paper II (conventional paper) will be evaluated in respect of only those candidates who qualify in Paper - I (Objective type paper) at the standard which may be decided by the Commission at its discretion.

Interview – 100 Marks. Only those candidates who secure in the written examination the minimum qualifying marks, as may be fixed by the commission in their discretion are eligible to appear at the interview.


For the post of Investigators in the NSSO (FOD) for the subject of Statistics:

Probability, Probability Distributions:

Binomial, Poisson, Normal, Exponential. Compilation, classification, tabulation of statistical data, Graphical presentation of data. Measures of central tendency, measures of dispersion, measures of association and contingency, scatter diagram, correlation coefficient, rank correlation efficient and linear regression analysis (for two or more variables) excluding partial correlation coefficients. Concept of Population, random sample, parameters, statistics, sampling distribution of x, properties of estimators and estimation of confidence intervals. Principles of sampling, simple random sampling, stratified sampling, systematic sampling, etc. Sampling and Non-sampling errors, type-I and type-II errors.

Concepts of Hypothesis: Null and alternate. Testing of hypothesis for large

samples as well as small samples including Chi-square tests (Z,t,F,X tests). Index Numbers, Time series analysis-components of variation and their estimation.


(A) General Economics:

1. Demand and Supply Analysis, including Laws and Interaction
2. Production Function and Laws of Returns.
3. Commodity Pricing-Characteristics of various Market Forms under such Market form
4. Theory of Factor Pricing-Rent, Wage, Interest and profit.
5. Theory of Employment-Classical and Neo-classical Approach.
6. Keynesian Theory of Employment-Principle of Effective Importance of Investment, Relation
between saving and Inv Effect and the process of Income Generation, Post Keynesia
7. Nature and Functions of Money, Value of Money, Fluctuation Money-Inflation and Deflation,
Monetary Policy, Index Numb
8. International Trade-Free Trade and Protection, Theories Trade.
9. Foreign Exchange-Determination of the rate of Exchange Parity Theory and Balance of Payment Theory.
10. Public Finance-Nature, Scope and importance of Public Finance.
11. Taxation-meaning, Classification and Principles of Taxation.
12. Deficit Financing.
13. Fiscal Policy.

(B) Indian Economics & General Statistics:

1. Statistical Investigation-Meaning and Planning of investigation.
2. Collection of data and editing of data.
3. Types of sampling.
4. Schedule and questionnaire.
5. Presentation of data-Classification, tabulation, etc.
6. Measures of Central Tendency.
7. National Income and Accounting-Estimation of National National Income, Structural changes in the Indian Economy Income Data.
8. Agricultural Sector - Agricultural Development during Planning Credit, Agricultural Price Policy, Rural Development Co-operative Raj.
9. Industrial Policy and Industrial Development.
10. Problems of Economic Development-Indian Planning-Objective and its evolution, Five Year Plans and Role of National Development.
11. Profile of Human Resources-Population and Economic Development. Profile of India, Nature of Population Problem-Poverty, In Problem, Labour Problem, Population Control and Government
12. New Economic Policy and Welfare Schemes.
13. Indian Public Finance-Indian Revenue, Foreign Aid.
14. Indian Banking and Currency system

Mathematics for Recruitment of Investigators in NSSO (FOD) :

Algebra: Algebra of sets, relations and functions, Inverse of a function, equivalence relation. The system of comples numbers, De Moivere’s Theorem and its simple applications. Relation between roots and coefficients of a polynomial equation - Evaluation of symmetric function of roots of cubic and biquadratic equation.

Algebra of Matrices: Determinants, Simple properties of determinants, multiplication of determinants of orders two and three. Singular and non-singular matrices. Inverse of a matrix, Rank of a matrix and application of matrices to the solution of linear equations (in three unknowns). Convergence of sequences, and series, tests of convergence of series with positive terms, Ration, Root and Gauss tests.

Analytical Geometry: Straight lines, Circles, system of circles, parabola, ellipse and hyperbola in standard form and their elementary properties. Classification of curves second degree.

Differential Equation: First order differential equation. Solution of Second and higher order linear differential equations with constant coefficients and simple applications.

Differential and Integral Calculus: Limit, continuity and differentiability of functions, successive differentiation, derivatives of standard functions, Rolle’s and Mean-value Theorems, Maclaurins and Taylor’s series ( without proof) and their applications, maxim and minima of functions of one variables. Tangents and normals, curvature, Partial differentiation, Euler’s theorem for omogeneous function, Tracing of curves. Standard methods of integration. Riemann’s definition of definite integral, fundamental theorem of integral calculus, quadrate, rectification, volumes and surface area of solids of revolution.

Statistics: Frequency distributions, Measures of central tendency, measures of dispersion, Skewness and kurtosis. Random variables and distribution function. Discrete distributions. Binomial and Poisson distribution. continuous distributions. Rectangular, Normal and exponential distributions. Principles of least squares, correlation and regression. Random Sampling, random numbers. Sampling of attributes. Large Sample tests for mean and proportion. Tests of significance, based on t, F and Chi square distributions.

Application Form:

The application form must be submitted in the form published in the Employment News / Rozgar Samachar. The application form may be typed out in double space or hand written neatly, but format should be the same as published. For this, the applications should be submitted to the concerned Regional Director.

How to Prepare:

The candidates must prepare extensively for the examination. The examination is aimed at judging the knowledge and alertness of the candidate. For the Objective test, one needs to practice regularly to improve knowledge and speed. For subjects like General Intelligence and General Awareness, one needs to start practicing early and regularly. A good book on the basics of General Knowledge, supported by reading a good newspaper and competitive magazine can greatly assist a candidate to do well in this examination.

Contact Details:

    Staff Selection Commission
    Department of Personnel and Training
    Ministry of Personnel, Public Grievances & Pensions
    Block No. 12, Kendriya Karyalay Parisar,
    Lodi Road New Delhi-110003
Tele: +91-11- 24360619
Website : www.ssc.nic.in

Disclaimer: This website is not at associated with CBSE, For official website of CBSE visit - www.cbse.nic.in

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