Indian Economic Service and Indian Statistical Service Exam

IES/ISS Examination Pattern

1. Part I:

The subjects of the written examination under Part-I, the maximum marks allotted to each subject/paper and the time allowed shall be as follows:

(A) Indian Economic Service (IES)
Sl.No. Subject Maximum Marks Duration
1 General English 100 3 Hrs
2 General Studies 100 3 Hrs
3 General Economics-I 200 3 Hrs
4 General Economics-II 200 3 Hrs
5 General Economics-III 200 3 Hrs
6 Indian Economics 200 3 Hrs
(B) Indian Statistical Service
1 General English 100 3 Hrs
2 General Studies 100 3 Hrs
3 Statistics-I (Objective) 200 2 Hrs
4 Statistics-II (Objective) 200 2 Hrs
5 Statistics-II (Objective) 200 3 Hrs
6 Statistics-IV (Descriptive) 200 3 Hrs

1. Part II:

 Viva-voce of such candidates as may be called by the Commission carrying a maximum of 200 marks.


  • Statistics I & II will be of Objective Type Questions (80 questions with maximum marks of 200 in each paper) to be attempted in 120 minutes.
  • Statistics III & IV will be of Descriptive Type having Short Answer/ Small Problems Questions (50%) and Long Answer and Comprehension problem questions (50%). At least one Short Answer and One Long Answer Question from each section are compulsory. In Statistics-IV, an equal number of questions i.e. 50% weightage from all the sub-sections below and candidates have to choose any two sub-sections and answer
  • The papers on General English and General Studies, common to both Indian Economic Service and Indian Statistical Service will be of the subjective type
  • All other papers of Indian Economic Service will be of subjective type
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