Practice • Improve • Repeat
Everything for the UPSC Indian Statistical Service examination. Syllabus breakdowns, previous year papers from 2014 onwards, cut off trends, subject wise strategy and interview preparation. Written for candidates targeting a Group A statistical service post through UPSC.
UPI at 10 years is the second anniversary assessment in this cluster. In July we looked at nine years of the Goods and Services Tax. The two are worth reading together, because they are the same kind of story told twice: a system built to solve a domestic problem that ended up producing data nobody … Read more
CPU for UPSC ISS is the first thing the syllabus names after “operations of a computer”, and it is the one hardware topic where candidates stop at the surface. Everyone knows the CPU has an ALU and a control unit. Very few know which register holds the next instruction, and that is the question the … Read more
The Minimum Support Price regime is the rare policy where almost everyone is partly right. Farmers who want it legally guaranteed are right that market prices collapse at harvest. Economists who warn against that guarantee are right that it would distort cropping patterns and strain the budget. An answer that picks a side and argues … Read more
Computer Memory for UPSC ISS is the heaviest article in this hardware module, and the third heaviest in the whole series. Quick answer. Memory has produced 23 questions in the last ten papers, an average of 2.3 a year, or about 5.75 marks. That is nearly twice what the CPU and peripherals produce individually. Only … Read more
Delimitation in India has been frozen for fifty years, and Census 2027 is what ends that freeze. In June we wrote that the census would decide the next delimitation exercise, and left it there. This article is that consequence examined properly. It is also the most politically delicate topic in the whole General Studies syllabus, … Read more
Binary Codes for UPSC ISS is the half of the number systems syllabus that nobody teaches separately, which is why candidates who have carefully practised conversions still lose these marks. Quick answer. Codes and binary arithmetic have appeared 10 times in the last ten papers, an average of one question a year, or 2.5 marks. … Read more
The Indian Statistical Institute Bill, 2026 has been introduced in the Lok Sabha, and of every current affairs topic across three months of filtering, this is the one written most directly for you. In July we covered Prasanta Chandra Mahalanobis founding the Institute in 1931, and why that institution matters to anyone entering the Indian … Read more
Number Systems for UPSC ISS is the only topic in the Computer section that you can be certain about. Every other part of this section rewards recall. This one rewards method, and a method either works or it does not. Quick answer. Number systems has appeared 16 times in the last ten papers, an average … Read more
The Rakhigarhi skeleton study closes a gap almost every ISS aspirant has without knowing it. A student in our community wrote last month with a familiar complaint. She had studied the Indus Valley Civilization three times, could list Mohenjo daro, Harappa, Dholavira and Lothal without pausing, and still froze when a mock test asked what … Read more
The Sarnath UNESCO World Heritage Site inscription turns a fact you memorise into a fact you can argue with. Most aspirants can name the four great events of the Buddha’s life and the places attached to them. Far fewer can write a paragraph about why one of those places matters to Indian foreign policy in … Read more