Question
GSHardPrelims 2015Economy

In the Index of Eight Core Industries, which one of the following is given the highest weight?

Explanation

About Eight Core Sectors: These comprise 40.27% of the weight of items included in the Index of Industrial Production (IIP).

The eight core sector industries in decreasing order of their weightage: Refinery Products> Electricity> Steel> Coal> Crude Oil> Natural Gas> Cement> Fertilizers.

PYQ Context: At the time of this UPSC 2015 question, India had eight core industries under the then-applicable series. Among the given options, Electricity had the highest weight, making Option B correct.

Current Update: Under the revised Index of Core Industries with base year 2022–23, released in July 2026, Iron Ore has been added, increasing the number of core industries from eight to nine. The weights have also been revised. Electricity now has the highest weight at 30.932%, followed by Refinery Products at 22.572% and Steel at 17.584%. Therefore, among the given options, Electricity continues to be the correct answer.

Trusted by 2L aspirants

Practice UPSC Prelims PYQs Smarter

Practice Now
  • Track accuracy & weak areas
  • See past trends & repeated themes
Start Practicing Now

PYQs by Papers

Most repeated Topics from Economy in Last 5 years

Repeated Topics
Questions in Last 5 Years
Finance and Financial Markets27 (34%)
Money, Banking and Monetary Policy16 (20%)
Public Finance in India11 (14%)
Infrastructure and Investment Models in India9 (11%)
Services and Digital Economy9 (11%)

Crack UPSC with your
Personal AI Mentor

An AI-powered ecosystem to learn, practice, and evaluate with discipline

SuperKalam
SuperKalam is your personal mentor for UPSC preparation, guiding you at every step of the exam journey.

Download the App

Get it on Google PlayDownload on the App Store
Follow us

ⓒ Snapstack Technologies Private Limited