Best Books & Mock Tests for UPSC IES/ISS 2026

Start with Union Public Service Commission (UPSC)'s previous year UPSC IES/ISS papers, solved under real exam timing. Aim for at least 15–20 full mocks before the exam and analyse every test.

The most recommended books for UPSC IES/ISS are: Indian Economy by Ramesh Singh; High School English Grammar & Composition by Wren & Martin; Manorama Yearbook by Mammen Mathew (Ed.). Read one good book per subject multiple times instead of many books once.

UPSC Indian Economic Service / Indian Statistical Service (UPSC IES/ISS) is conducted by Union Public Service Commission (UPSC). Recruitment to the Indian Economic Service and Indian Statistical Service.

Postgraduate in Economics/Applied Economics/Econometrics (IES) or a degree with Statistics/Maths (ISS); age 21–30. Always verify the latest criteria in the official notification at https://upsc.gov.in.

UPSC IES/ISS is conducted in the following stage(s): Written Examination; Viva Voce. Mode: Offline (descriptive).

The main subjects/sections of UPSC IES/ISS are: General English, General Studies, Economics or Statistics papers. Download the detailed syllabus from https://upsc.gov.in.

UPSC IES/ISS is held once a year. Dates are announced by Union Public Service Commission (UPSC) in the official notification.

(1) Download the official syllabus and previous papers. (2) Build concepts from one standard book per subject. (3) Practise topic-wise sets daily. (4) Start full-length mock tests at least 3 months before the exam and analyse each one. (5) Revise weak areas and keep a short-notes register. (6) Take the last 15 days only for revision and mocks.